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DIY Cruising Catamaran: Complete Building Guide

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A brand-new cruising catamaran can set you back a hefty amount of money. However, a DIY cruising catamaran provides a more affordable way to own your own boat. While building a large boat can be an extremely challenging and time-consuming experience, nothing beats the pleasure of bringing your own boat to life.

To build a DIY cruising catamaran, buy good design plans, determine your budget and find a working space. Next, choose your hull material, buy supplies and start building the mast beam. Build and sheathe the hull, install bulkheads, the interior, and finally, launch the catamaran boat.

In this article, you will find a complete guide to building your own catamaran. You will also find detailed information on why you may want to consider building your catamaran and approximately how much this project would cost. Finally, we will explore the advantages and disadvantages of building a catamaran from scratch.

Why You Might Want To Build Your Own Catamaran

Most people might think that purchasing a used boat to repair and fix it up would be cheaper than a DIY cruising catamaran. But while building your own catamaran could be an enormous undertaking, it also comes with many advantages over buying something used.

Other than the unique opportunity to create beautiful memories and experiences while cruising, sailing, and exploring beautiful coastlines, there are a number of benefits that come along with the DIY approach.

Knowing Your Boat

Building your own catamaran provides you with intimate knowledge of your boat. You will know every corner, including where to find every bolt, wire, bulkhead, rib, hose, and support as you installed them yourself. This knowledge will enhance your confidence while at sea since you will have entrusted your life to a boat whose history you are aware of and deeply connected to.

Pride of Ownership

The satisfaction you get from crafting something with your own hands is immense. As a result, the knowledge that you built your boat from scratch will fill you with absolute pride and an immense sense of achievement. Furthermore, as an owner-builder, you get to keep and enjoy the boat for as many years as you wish.

Substantial Cost Savings

Building your catamaran will work out cheaper than buying a new or even gently used boat. Though you will likely require some additional labor since doing some things will require an extra pair of hands, if you are particularly good at DIY, you will save a significant amount of money on labor costs as a whole.

Freedom To Create Your Own Designs

If you decide to buy a catamaran boat, it might not be easy to find one that meets your unique needs. However, instead of choosing from production boats that bear traditional and outdated designs, you can come up with an ultra-modern design or style for your catamaran. You also get to pick your layout, size, and equipment based on your taste and budget.

Great Learning Experience

Building your own boat will help you pick up numerous skills that will come in handy later when sailing your boat. As much as you might still require an expert to help you with specialized skills like carpentry or wiring, your new skills will serve you well. This will also be beneficial when it comes to your boat’s maintenance and fixing things for yourself.

What To Look For in Catamaran Boat Designs

When deciding on the type of catamaran boat to build, you may want to choose a design that’s simple and easy to build. This is because doing so will allow you to spend a shorter time building the boat.

You also need to have a set of requirements to guide you in choosing your design or what you might call an ideal cruising catamaran wish list. This is essential because, ultimately, you want to build a boat that offers outstanding qualities such as:

Delivers good speed
Affordable to own and operate
Agile, strong, and easy to maintain
Has a high resistance to capsizing
Great for sailing and cruising
Delivers a comfortable and easy motion underway
Good handling ability and high performance under sail
User-friendly embarking and disembarking
Provides ample living and accommodation space
Presents a reasonable resale value

It’s worth noting that, in general, catamaran boats tend to offer a fair resale value mainly because of scarcity and the high price accorded to production models. So, if you build a well-constructed catamaran, you are bound to get a return that’s much higher than the cost of materials upon resale.

It’s also good to consider whether the design you settle on is from an established designer. This is significant because documentation of the building process is just as valuable when it comes to selling the boat.

How Much Would It Cost To Build Your Own Catamaran?

The cost of building your cruising catamaran will depend heavily on the size of the boat you plan to build and the skills you bring to the table. To give you an idea of probable costs, a professionally built 40 foot (12.1 m) long cruising catamaran could go for up to $300,000.

Though building it yourself will undoubtedly be cheaper, most DIY boatbuilders tend to underestimate the expected costs. Your final costs should cover not only the cost of material and equipment but also the labor and time it would take to come up with the final product.

If you were to build a 40-foot (12.1-meter) catamaran, your cost of materials would range between 20-30% of the total cost. Therefore, for $300,000 total, the boat’s materials would range between $60,000 and $90,000. The hull tends to range between 15-35% of the total build. Again, this depends on the finish and furniture.

But before you even start working on the DIY project, you will need to figure out where to do the work. If your home has ample space, then you can opt for a backyard building. But if you live in a small apartment, then you might want to consider renting a small garage at first and then move on to a boatyard later. This is one of the significant costs involved in building your multi-haul.

What You Will Need

To get a clearer picture of how much the entire project would cost, let’s have a look at what else you will need to purchase.

Good design plans
Working space
Ground tackle
Matting and roving
Equipment such as the engine, windows, rudders, deck fittings, mast, and rigging

In addition to the above, you also need to install plumbing and electricals. You may also want to consider going electric rather than using diesel. Not only will this drastically reduce your maintenance costs, but you get to use the regenerated power for all of your housing needs while sailing.

Some catamaran boat designs help you save costs by advocating the use of less expensive corpus materials. Most of the material goes directly into making the boat, which means there is hardly any wastage on vacuum bagging . With this method, there are few molds and temporal building forms and fewer fillers to grind off as waste. All these factors reduce the time and cost it takes to build your catamaran boat.

That said, building a boat of any kind is a huge financial undertaking. As such, you still need to have the financial ability to keep building; otherwise, your project will stall or take much longer than anticipated. Instead of enjoying yourself and making memories cruising to faraway lands, you might end up spending all your time building a seemingly never-ending boat.

To reiterate, this project is more of a labor of love, given that it involves a tremendous amount of manual work. Calculating an hourly rate on the time spent building the boat and adding this cost to that of materials may make it seem a very pricey exercise. However, it is vital to understand that your time matters, and every hour you spend working for “free” should be included.

With that in mind, you need to ensure that you are fully devoted to the boat construction project and are sure you want to do it before you begin. Stopping halfway because it seems like too much work would be incredibly costly.

How To Build a Catamaran

When it comes to building a cruising catamaran, you have 3 main options:

You can buy an old boat and refurbish it.
Purchase a bare hull plus deck molding for a home-boat building.
Start from scratch and build everything, including the hull, on your own.

As mentioned above, renovating an existing boat may end up being more costly than starting from scratch. To build a catamaran boat from scratch, follow the below step-by-step guide.

Prepare the Essentials

Before you jump into such a large project, there are several important aspects to consider:

Buy your plans from an established catamaran designer. You can also get inexpensive, easy-to-build catamaran designs online.
Get access to a large working space or build a shed . Depending on your climate, you may need to opt for climate control to avoid an excess of moisture in humid areas.
Decide on your choice of hull material. This could be fiberglass, aluminum, steel, wood, or ferroconcrete.
Start working on a bill of materials estimate. Include everything that you think you need to get a better idea of the initial costs.

Build the Mast Beam

Using wood and epoxy, cut and glue together the pieces of wood that will form the mast beam. Most of the work at this stage can occur in a garage since it involves building small parts. Still, the work could take up to 4 months, so be prepared to put in long hours.

Build the Boat Hull

Now, it’s time to build the boat’s hull. A catamaran comprises two hulls which are connected with a deck. Below is a short video showing how to build a hull mold:

This work requires a larger facility, so you might need to move out of the garage and into a boatyard. If you don’t have access to a larger workshop, consider building a shed where you can work as you do the construction. Make sure there’s enough room to fit the boat and also allow you to work comfortably. To cover the shed, you can use opaque white tarps.

Sheathe the Hull

Get all the materials you require for this stage in the construction, such as lots of resin, fiberglass, and foam for use in the hull cores. You’ll also require matting and glass roving to sheath the hull .

Sheathing helps to make the hull impervious to water and other marine borers. But first, you need to prepare the hull using a rotary sander. To make it as smooth as possible, use light, sweeping strokes. This is a very dusty task so be prepared to wear a facemask and safety goggles.

Install the Bulkheads

Next is installing the plywood bulkheads . You might need to call in friends to help turn the hulls or use a crane. In this step, you will need to laminate the hull sides on the molded hull panels and bond them above the bulkheads. Ensure the bulkheads are snug and sealed in place.

Construct the Interior Structure

Over the next couple of months, the boat work will involve joining the hulls together with the beams that you had made back in the garage. Then, install the cuddy cabin, decks , and the cockpit . Soon the boat will start to take the shape of a catamaran.

Next, proceed to construct the major structural components such as stairs, hatches, mini-keels, and the interior. Then comes the work of fairing the boat, which is quite labor-intensive.

Finally, it’s time to apply primer on the catamaran boat and start the paintwork. Before painting the boat, you will need to do additional sanding to finish off the two layers of primer as well as fill all the pinholes. Since it’s a large boat, the catamaran has lots of surface area; thus, the sanding could get extremely exhausting—mentally and physically—at this point.

The painting can take a while, too. The hulls are the easiest to paint, but the topsides, non-skid, as well as masking and prepping could seem never-ending.

The final stretch involves working on the center bridge deck cabin and other final touches like installing the engines, electricals, and plumbing. This is also the time to fix the rudders, rigging, mast, windows, and deck fittings.

Launch Your Cruising Catamaran

After many months or years of hard work, your cruising catamaran is finally ready to test the waters. After lowering the boat into the water, check carefully in case there are leaks. If none, you can set up the sails and take your catamaran out for your first cruise.

Below is a short video that takes you through the entire boat-building process:

If you don’t have deep pockets, don’t despair. It’s also possible to build an inexpensive catamaran boat, as shown in this post from the coastal passage .

The Pros of Building a Catamaran

Though it will be a costly endeavor, there are so many things to look forward to should you decide to build your own catamaran:

It can be lots of fun.
You get to have a new boat.
It’s an excellent hobby for DIY enthusiasts.
The effort is rewarding.
It offers a great learning experience.
You get the exact kind of boat you want.
You can alter building plans and tailor the boat to suit your specific needs.
It might be cheaper than buying a new boat.

The Cons of Building a Catamaran

Though there are a number of positive aspects to a DIY build, it is just as important to keep in mind that it won’t always be easy:

Maintenance costs can be quite high.
It’s both mentally and physically exhausting.
It might require some technical know-how.
It can take many months or even years to complete.
It requires a lot of commitment to finish the DIY project.
It might be challenging as well as expensive to get insurance.
You will spend almost all your free time building the boat.

DIY Cruising Catamaran Tips and Tricks

If you are new to boat building, it would be a good idea to build a small boat first. This would give you a good indication as to whether you’d enjoy tackling a more extensive project like building a catamaran. Again, if you are the handy type, fixing your own electronics could also save you a significant amount of money.

Here are more tips and tricks to get the most out of your DIY cruising catamaran:

Lower your costs. Bring down your costs even further by sourcing for parts and supplies at marine surplus outlets, Craigslist, eBay, or wholesale suppliers.
Enhance your resale value. Most home-built boats are not easy to sell since they tend to be too customized. To enhance your resale value, it’s advisable to work with a standard design from a well-established naval architect.
Follow the design instructions. Make sure to follow the designer’s instructions regarding the type of materials and tools to use during the build to avoid making costly mistakes.
Maintain your original budget. Avoid any additional customizations once you have started building the boat. Using good plans and sticking to them ensures that your budget doesn’t spiral out of control.

Final Thoughts

Building a catamaran is about more than saving money. It’s fun, exciting, fulfilling, and can be a great learning experience. While it might take many months of back-breaking work, comparative shopping and sourcing for materials will help you save a lot of money. Still, at the end of it all, you’ll have a beautiful catamaran boat, all ready for your first cruising adventure.

However, if you have neither the time nor the energy to build your own catamaran from scratch, refurbishing an existing hull might prove faster and easier. It also works out much cheaper than buying a new boat.

Owner of CatamaranFreedom.com. A minimalist that has lived in a caravan in Sweden, 35ft Monohull in the Bahamas, and right now in his self-built Van. He just started the next adventure, to circumnavigate the world on a Catamaran!

One thought on “ DIY Cruising Catamaran: Complete Building Guide ”

Hello, I am a French Quebecer who is original, imaginative, creative and who finds that all boats and catamarans have a huge flaw and a very big lack of logic. I would have a brand new concept…. I am sending this message to any catamaran creator – designer to make those who have the opportunity and the intelligence to want to know about my innovative idea which will finally upset the market much richer. An idea that will totally change the concept of sailing, navigation and save so much worry!! All I would ask for is a small percentage of each sale of the new product. To be able to make me produce one when I have enough!! It is certain that like that, you just want to tell me: come on Mr. Lessard give us your idea but do not take your word to help me in return! But, if you are the kind of man to have only one word and maybe have a proof of your good faith if the realization of the project would make it… I will be very happy!! Giving it to everyone wouldn’t bother me either…. all I would like is to be able to find flax fiber (too expensive carbon) to be able to try to make my catamaran myself. Because not rich! Have a nice day and looking forward to having a message!!

Best Cruising Catamarans

By Cruising World Editors
Updated: July 1, 2021

Cruising catamarans have been around for decades, but early models—often plywood and fiberglass vessels built by their owners from plans and kits, kept the boats on the fringes of mainstream sailing. That all changed, though, as big roomy cats were discovered by sailors who went off to charter in the Caribbean, where the multihulls proved their worth as comfortable liveaboard and party boats.

Today’s bluewater catamarans roam the globe, carrying families to exotic destinations across the Pacific and beyond. Just as with their monohull cousins, there is no best catamaran. Instead there is a wide variety of designs, ranging from small catamarans that offer the ease of maintenance a couple might enjoy to performance catamarans capable of easily knocking off 250-mile days. Today, the best catamaran brands offer a range of size models and layouts that can be optimized for an owner sailing with family and friends, or for the charter market, where there’s a demand for four, five and even six cabins worth of accommodations.

The most prolific catamaran manufacturers are in France and South Africa where yards include both large-run production builders and niche companies building fewer than 10 boats a year.

The best cruising catamarans offer good load-carrying ability and respectable performance. As with any sailboat , a modern catamaran’s design is a result of compromises. Daggerboards or keels? Galley up or galley down? Spacious owner’s cabin or extra bunks? There are lots of options to choose from—and that’s what makes looking at these sailboats fun!

Here, then is an eclectic A to Z list of some of the best catamarans that have helped shaped the evolution of how we live and sail on two hulls.

Antares 44i

Now built in Argentina as a full-fledged, bluewater catamaran and cruiser that can be safely operated by a shorthanded couple or family crew, the Antares 44i features a fully covered cockpit with a quartet of big, standard solar panels recessed within the hardtop, one example of a yacht capable of long-range passagemaking.

Atlantic 42

Almost 30 years ago, yacht designer Chris White revolutionized catamaran design with the first in his series of Atlantic cats, the primary feature of which was the innovative mid-ship sailing cockpit forward of the main cabin. The smallest in the Atlantic line, the 42 remains White’s most popular design ever.

Fountaine-Pajot has built so many outstanding cruising catamarans that it’s difficult to narrow down any single boat, but we’ve always been fans of the good-looking, well-thought-out Bahia 46. At 46 feet, the boat is large enough for offshore forays and has plenty of volume; with its simple but powerful sail plan, it’s also an excellent performer.

Beginning around 1996, the French builder Catana was one of the first companies to manufacture fully found cruising cats for private ownership, and this Christophe Barreau design, which enjoyed a nearly 10-year production run from 1997-2006, was emblematic of this first generation of safe, fun, long-legged offshore voyagers.

Click here to see more cats from Catana.

When it comes to speed, light boats are fast ones. And if you wish to save weight, that means exotic modern materials like carbon. Catana now infuses the laminates of their entire production line with carbon fiber, and for this list, we’ve chosen the Catana 50 Carbon, one of the zippiest cats now crossing oceans.

Click here to read about a couple’s charter aboard a Catana 50.

Gemini 105M

Pioneering catamaran sailor, builder and designer Tony Smith launched the first of his 33-foot Gemini 105M’s (10.5 meters = 33′) in 1993, and soon after found a ready and willing stream of sailors enamored of the boat’s compact size, affordable price tag, and such innovations as the nifty lifting rudder and transom steps.

Click here to read about the Gemini Legacy 35.

Built between 2000-2005, the Gunboat 62 firmly established the Gunboat brand: go-anywhere cats that applied race-boat technology to a world-cruising platform. Hull no. 1, Tribe, was built for company founder Peter Johnstone, who then spent a year-and-a-half cruising with his family, smiling all the way.

French builder Henri Wauquiez is best known for his long career building monohulls, but the Kronos 45 cat, which he launched in 1992, was ahead of her time. Classic lines, the aft “targa bar” over the cockpit, the louvered coach roof windows, even the distinctive stripes on her hull: the Kronos 45 remains timeless.

No roundup of cruising cats would be complete without several Lagoon entries, and the best of that impressive bunch might well be the Lagoon 380. Originally launched in 1999, and revered for its combination of quality, volume and performance, with over 740 boats built the 380 is still going strong.

Launched five years after the breakthrough 380, the Lagoon 440 was an evolutionary design that featured a raised flybridge helm station, a unique “gullwing” configuration below the bridge deck, expanded windows in the hull and much more. With 400 boats built in a 6-year production run, the 440 was an unqualified success.

How big can a production cat, still operable by a short-handed crew, really be? The builders at Lagoon discovered that 62-feet hit a sweet spot in the marketplace, and have sold over 70 boats since its introduction in 2010. The centerpiece of this design is the sensational steering station atop the flybridge, with expansive views of the sea and sky.

Click here to see more cats from Lagoon.

With an unmatched pedigree – designed by premier multihull naval architects Gino Morelli and Pete Melvin, built by the prestigious Robertson & Caine boatyard in South Africa, and commissioned by chartering giant The Moorings – the Leopard 40 was, perhaps unsurprisingly, Cruising World ’s Import Boat of the Year in 2005.

Louisiane 37

Based on the famous French racing cat Charente-Maritime, the Louisiane 37, designed by Joubert/Nivelt and launched by builder Fountaine-Pajot in 1983, was a light, fast liveaboard cruiser with full accommodations that represented a radical departure from the hefty British cats that preceded it.

Maine Cat 30

One of the more versatile and clever cats ever created, the central feature of the cool Maine Cat 30 is the open bridge deck/living room sandwiched between the hulls and canopied by a rigid, permanent hard top (the comfortable accommodations/ staterooms are stationed in the hulls). Ideal for a winter in the Bahamas but with the ability to sail offshore, it’s a boat for all seasons and reasons.

Built in Florida and beloved by the owners of the over 120 boats built during the company’s existence from 1993 to 2009, the Manta Catamarans range included 38-, 40- and 44-foot cats. For this exercise, however, we’re heralding the original Manta 42, which won the Best Value Overall prize in CW’s 2001 Boat of the Year contest.

Moorings 4800/Leopard 48

Another Leopard/Moorings collaboration built by the wizards at Robertson & Caine (though this boat was designed by fellow South African Alex Simonis), the Leopard 48 was another CW Boat of the Year winner with all the contemporary bells and whistles: forward cockpit, flybridge helm station and solid hardtop dodger, just to name a few.

Click here to read more about the Leopard 48, and click here to see more images.

Nautitech 441

The Best Multihull Under 45 Feet: So said the CW judging panel in the 2013 Boat of the Year competition, regarding the Nautitech 441. But what makes this versatile platform so intriguing are the different helm set-ups. The 441 employs a single wheel, to starboard, ideal for solo sailors, while the 442 has a pair of helm stations aft.

Click here to see more Nautitech Catamarans.

Outremer 5X

A state-of-the-art all-oceans cat that exemplifies how far multihull design has come, the 59-foot Outremer 5X was a winner on both sides of the Atlantic, taking top honors in the European Boat of the Year competition in 2013, and following up as the Best Full-Size Multihull in CW ’s contest a year later.

Click here to see more cats from Outremer.

St. Francis 50

The flagship of the proud St. Francis line – built in South Africa since 1990 to designs by local legends Lavranos Marine Design – the St. Francis 50 is another “luxury cat” that shares much in common with an earlier 48-foot sister-ship, but packs even more payload into its roomier lines.

Click here to read more about the St. Francis 50

Seawind 1000

Founded by Aussie surfer and sailor Richard Ward in 1982, the 33-foot Seawind 1000 is easily the most popular cruising cat ever built in Australia (the company has since moved its manufacturing and management operations to Vietnam). Roomy and airy, these cats dot the coastline of eastern Oz.

Seawind 1160

If the Seawind 1000 was a minimalist approach to cruising cats, the 38-foot Seawind 1160 is the flip side of the coin, a full-fledged long-range voyager. Among the reasons it was named CW ’s Most Innovative boat for 2007 is the unique “tri-folding” door that stashes overhead to open up the saloon and cockpit into a spacious living area.

Click here to read more about the Seawind 1160.

Sunsail 384

Every sailboat is a compromise, and in the case of the Sunsail 384 (also sold privately as the Leopard 38) that’s a good thing, because designers Morrelli & Melvin and builder Robertson and Caine got the balance just right with this relatively small catamaran. With four cabins, the 384 can carry the same size bareboat charter crowd as her larger siblings, but does so with a decided bounce in her step. Named CW’s Import Boat of the Year in 2010, you can gauge the success of the design by the grins on the crew as they barrel down Sir Francis Drake channel in the British Virgin Islands.

Victoria 67

The French design office of Berret Racoupeau drafted the lines of Fountaine-Pajot’s new flagship, introduced in 2013, a magnificent world-girdling voyaging catamaran. Like other giant cats launched in recent years, the boat features a sensational upper deck with all sail controls, helm and lounging stations.

Click here to see more images of the Victoria 67.

Wharram Tanaroa

No list of influential multihulls would be complete without the work of James Wharram, and while Tangaroa wasn’t a production cat by any means, it showcases the British designer’s respect for ancient Polynesian craft. Wharram sailed this 23-foot-6-inch “double-hulled canoe” across the Atlantic in the 1950s, and sold countless plans for similar boats for decades afterwards.

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Welcome to this, the Woods Designs web site which we hope you will find is an interesting and useful introduction to our range of boat designs.

Based in the UK, Woods Designs is run by Richard Woods and specialises in the design of multihulls for both home and professional builders. Founded in 1981 we now boast possibly the most comprehensive range of catamaran designs in the world.

Click here for stock designs, which range in size from 8' to 38' and types include beach catamarans, open deck cruising catamaran, bridgedeck cabin cruisers, racing catamarans and trailable boats. We also have six small trimaran designs, eight power cats and a few dinghies. Over the years we have designed a number of one-offs, up to 70ft, so if you don't see your ideal boat here please contact us with your requirements and we may be able to help you with an unlisted design.

Click on the photo, right, or use the link in the heading menu, to see the complete list.

Boats can be built in a range of materials of which the most popular include sheet ply, cold moulded ply, strip plank cedar and foam sandwich. Like most designers we do not offer plans for catamarans built in steel or aluminium.

Nearly 3000 plans and over 200 production catamarans have now been sold. Boats are sailing all over the world. Cruisers have made many comfortable ocean crossings in complete safety while the number of trophies won is testament to the speed of the racing designs.

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Looloo (left) and Lucky McGee enjoying the cruising lifestyle aboard Chincogan 52 Moonraker anchored at the mouth of the estuary at the south end of Ko Phra Thong after spending a couple of weeks at Ko Phayam.

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The seafront of Cartagena in Colombia is the backdrop for two sailing vessels of different epochs and sharply contrasting character.

Against the sea wall Galeon Bucanero , a replica of a Spanish galleon of the seventeenth century is totally at home against the fortifications of this historically significant Spanish port city.

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Over the years I've received many wonderful photos of our boats from around the world. This one is an absolute classic. Many thanks to Mike and Sarah Mason for the shot.

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Catamaran Hull Design

Post author By Rick
Post date June 29, 2010
2 Comments on Catamaran Hull Design

Part 1: Notes from Richard Woods

Since the America’s Cup experimented with going multihull, there’s been a lot of interest in catamaran performance and the catamaran hull designs that define performance. Many guys are investigating whether to buy a catamaran or design and build their dream boat. Let it be said here that building a large catamaran is not for the faint of heart. People begin building 100s of boats a year, yet few are ever completed, as life always seems to have a way of interfering with a good boat build.

Never the less, since the rest of this website is about selecting and buying a boat , it only seems fair to have at least one webpage that covers catamaran design. This page contains notes on boat hull design goals and an accompanying page from Terho Halme has mathematical formulas used in actual catamaran hull design. It has become a popular research stop and an important reference to the catamaran design community.

The content of this page was reproduced from the maestro of Catamaran designs, renown British naval architect, Richard Woods, who not only designs catamarans, he sails them across oceans…. repeatedly. He has a lot to say on the subject of catamaran hull design.

“…When it’ all said and done, the performance of a sailing catamaran is dependent on three primary specs: length, sail area and weight. If the boat is longer it generally means it’ a faster boat. If she has more sail area, it means she’ a faster boat and if she’ light it means she’ a faster boat. Of course, there are limits: Too much sail area capsizes the boat in brisk winds. If the boat is designed too light, she will not take any kind of punishment. Too slim a hull design and the boat becomes a large Hobie Cat capable of only carrying your lunch. Of course, too long and large and you’d have to be Bill Gates to afford one. Then there are lot of additional and very important factors like underwater hull shape, aspect ratios of boards and sails, wet deck clearance, rotating or fixed rigging and so on….” Richard Woods

All Catamarans are not equal, but all sailboats have two things in common: They travel on water and they’re wind powered, so the Catamaran design equations in the 2nd part should apply to every catamaran from a heavy cruising Cat to a true ocean racer.

Richard Wood’s comments on catamaran design:

We all know that multihulls can be made faster by making them longer or lighter or by adding more sail. Those factors are the most important and why they are used as the basis of most rating rules. However using just those figures is a bit like determining a cars performance just by its hp and curbside weight. It would also imply that a Tornado would sail as fast forwards as backwards (OK, I know I just wrote that a Catalac went faster backwards than forwards)

So what next?? Weight and length can be combined into the Slenderness Ratio (SLR). But since most multihulls have similar Depth/WL beam ratios you can pretty much say the SLR equates to the LWL/BWL ratio. Typically this will be 8-10:1 for a slow cruising catamaran (or the main hull of most trimarans), 12-14:1 for a performance cruiser and 20:1 for an extreme racer.

So by and large faster boats have finer hulls. But the wetted surface area (WSA) increases proportionately as fineness increases (for a given displacement the half orange shape gives the least WSA) so fine hulls tend to be slower in low wind speeds.

The most important catamaran design hull shape factor, is the Prismatic Coefficient (Cp). This is a measure of the fullness of the ends of the hull. Instinctively you might think that fine ends would be faster as they would “cut through the water better”. But in fact you want a high Cp for high speeds. However everything is interrelated. If you have fine hulls you can use a lower Cp. Most monohulls have a Cp of 0.55- 0.57. And that is about right for displacement speeds.

However the key to Catamaran design is you need a higher Cp if you want to sail fast. So a multihull should be at least 0.61 and a heavy displacement multihull a bit higher still. It is difficult to get much over 0.67 without a very distorted hull shape or one with excessive WSA. So all multihulls should have a Cp between 0.61 and 0.65. None of this is very special or new. It has been well known by naval architects for at least 50 years.

There are various ways of achieving a high Cp. You could fit bulb bows (as Lock Crowther did). Note this bow is a bit different from those seen on ships (which work at very specific hull speeds – which are very low for their LOA). But one problem with them is that these tend to slam in a seaway.

Another way is to have a very wide planing aft section. But that can increase WSA and leads to other problems I’ll mention in a minute. Finally you can flatten out the hull rocker (the keel shape seen from the side) and add a bustle aft. That is the approach I use, in part because that adds displacement aft, just where it is most needed.

I agree that a high Cp increases drag at low speeds. But at speeds over hull speed drag decreases dramatically on a high Cp boat relative to one with a low Cp. With the correct Cp drag can be reduced by over 10%. In other words you will go 10% faster (and that is a lot!) in the same wind and with the same sails as a boat with a unfavorable Cp. In light winds it is easy to overcome the extra drag because you have lots of stability and so can fly extra light weather sails.

The time you really need a high Cp boat is when beating to windward in a big sea. Then you don’t have the stability and really want to get to your destination fast. At least I do, I don’t mind slowly drifting along in a calm. But I hate “windward bashing”

But when you sail to windward the boat pitches. The sea isn’t like a test tank or a computer program. And here I agree with Evan. Immersed transoms will slow you down (that is why I use a narrower transom than most designers).

I also agree with Evan (and why not, he knows more about Volvo 60 design than nearly anyone else on the planet) in that I don’t think you should compare a catamaran hull to a monohull, even a racing one. Why chose a Volvo 60/Vendee boat with an immersed transom? Why not chose a 60ft Americas Cup boat with a narrow out of the water transom??

To be honest I haven’t use Michelet so cannot really comment. But I have tested model catamarans in a big test tank and I know how inaccurate tank test results can be. I cannot believe that a computer program will be better.

It would be easy to prove one way or the other though. A catamaran hull is much like a frigate hull (similar SLR, L/B ratios and Froude numbers) and there is plenty of data available for those. There is also a lot of data for the round bilge narrow non planing motorboats popular in the 1930’-50’s which again are similar to a single multihull hull.

One of the key findings I discovered with my tank test work was just how great the drag was due to wave interference between the hulls. Even a catamaran with a modern wide hull spacing had a drag increase of up to 20 % when compared to hulls at infinite spacing. One reason why just flying a hull is fast (the Cp increases when you do as well, which also helps). So you cannot just double the drag of a single hull and expect to get accurate results. And any speed prediction formula must include a windage factor if it is to give meaningful results.About 25 years ago we sailed two identical 24ft Striders next to each other. They were the same speed. Then we moved the crew of one boat to the bow. That boat IMMEDIATELY went ½ knot faster. That is why I now arrange the deck layout of my racing boats so that the crew can stay in front of the mast at all times, even when tacking or using the spinnaker.

I once raced against a bridge deck cabin catamaran whose skipper kept the 5 crew on the forward netting beam the whole race. He won.

Richard Woods of Woods Designs www.sailingcatamarans.com

Tags Buying Advice , Catamaran Designers

Owner of a Catalac 8M and Catamaransite webmaster.

2 replies on “Catamaran Hull Design”

I totally agree with what you say. But Uli only talk sailing catamarans.

If only solar power. You need the very best. As limited watts. Hp.

The closer to 1-20 the better.

Closing the hulls to fit in cheaper marina berth. ?

You say not too close. But is that for sailing only.

Any comment is greatly appreciated

Kind regards Jeppe

Superb article

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The Early Wharrams - Sturdy and Stable

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Chris White Designs specializes in the design of high performance cruising catamarans and trimarans. Each boat is designed and engineered to exacting standards of performance capability, structural integrity, ease of handling for a small crew, and comfort underway.




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Best Liveaboard Catamaran Sailboats

Last Updated by

Daniel Wade

December 28, 2023

Catamarans are an excellent choice for living on the water. Modern catamarans are more spacious than monohulls and provide all the comforts of home.

In this article, we'll cover five of the best liveaboard catamarans available on the new and used market today. We'll also cover how to choose the best and most comfortable catamaran to live aboard.

The best liveaboard catamarans are the Manta 42, the Nautitech 44, the Voyage 44, the Privilege 435, the Elba 35, and the Lagoon 380. These vessels are seaworthy, comfortable, and ideal for long-term living.

We sourced the technical specifications of these vessels from maritime records and directly from sailboat manufacturers. We also considered the opinions of sailors who live aboard these vessels and others.

Table of contents

Living on a Catamaran

Living on a catamaran has both advantages and disadvantages when compared to living on a monohull sailboat. That said, most of the challenges of living aboard a catamaran are mitigated on larger and higher-quality vessels.

Catamarans feature two hulls placed side-by-side and connected by a deck. As a result, the cabins are split between the two hulls, and you may have to go outside to get to the other cabin. Thankfully, most modern cruising catamarans have a center cockpit that connects the two hulls and often features living spaces.

Some vessels have facilities (such as the galley and table) in one cabin and sleeping areas in the other. However, some catamarans have sleeping and cooking facilities in both hulls. The configuration you choose depends on how many people attended live aboard and what layout you prefer.

Catamarans offer superior stability and motion comfort, which is a big advantage when living aboard. Overall, conditions under sail and in the harbor are likely much better aboard a properly-proportioned catamaran.

How to Choose a Liveaboard Catamaran

What qualities make a catamaran ideal for living aboard, and how do you choose the best boat? Attributes such as size and interior layout are the most important, but others such as fit and finish and seakeeping abilities should also be considered.

The best liveaboard catamarans range in size between 30 and 50 feet, width 40 feet being the comfortable average. In general, vessels smaller than 30 feet simply lack the space to include a practical interior layout.

Interior Layout

Interior layout is largely a matter of personal opinion. The most popular liveaboard catamaran features a spacious center cockpit with access to both hulls. Master bedrooms are often found in the stern and the bow of each hull, with heads in between and a galley in the center cockpit. Some catamarans feature one or more additional settees, along with storage in all areas.

Tech and Convenience

The majority of monohull sailboats were produced between the 1960s in the 1980s. This isn't the case for catamarans, as their popularity is more recent. As a result, you're likely to find considerably more modern amenities aboard. Everything from autopilot systems to bathtubs are available aboard newer catamarans.

How Much does a Liveaboard Catamaran Cost?

Catamaran prices vary widely based on age, length, and overall quality. Older vessels cost anywhere between $30,000 and $100,000. Newer and more comfortable liveaboard catamarans generally start above the $100,000 mark and extend up to $500,000 or more.

Best Catamarans to Live On

We chose the following six liveaboard catamarans based on size, interior amenities, handling, and price. These vessels are popular amongst liveaboard sailors and make exceptionally comfortable floating homes both in port and at sea.

1. Manta 42

The first vessel on our list is an exceptional cruising catamaran that's also a comfortable place to live. The Manta 42 can be found on the used market, and it features great handling and a spacious cabin.

Unlike most catamarans, which are built overseas, the Manta 42 was produced entirely in the United States. The Florida-based company produced these vessels in the 1990s and 2000s, and they proved extremely popular with offshore cruisers.

The Manta 42 is known for its stability, hull strength, and speed. However, its cabin layout is also smart and livable. Most Manta 42s feature an asymmetrical cabin layout. The cabin has two heads located in convenient places; one on the port side across from a master berth and one on the starboard side, which is easily accessible from the cockpit. It features three berthing areas and one large sitting area, with seating and storage throughout.

The Manta 42 also has exceptional storage capacity. The vessel stores 125 gallons of fuel and a whopping 100 gallons of freshwater. It also has generous gray and black water tanks to service both heads and the galley sinks.

Overall, the Manta 42 is an excellent choice for cruising liveaboards. It's a fast, nimble, and safe vessel with ample headroom and space throughout the cabin.

Quick Facts:

42-foot overall length
Large master cabins
Built for long-term living and cruising
High storage capacity for fuel and water
High hull strength
American-built
Production ceased in the 2000s, so equipment may not be up-to-date

2. Nautitech 44

The Nautitech 44 is the obvious choice for the number two spot on our list. This well-known cruising catamaran has a unique Center cockpit design which makes it stylish and functional.

The futuristic cockpit of the Nautitech 44 allows the crew to enjoy ample ventilation even in wet conditions. This makes it ideal for living abroad in tropical climates where rain and heat often accompany each other.

Nautitech, which is a French company, continues to produce this model due to its popularity and excellent seakeeping abilities. Prices almost always exceed $100,000, both new and used, making it one of the costlier models on the list. For the price, you get a fine interior fit and finish along with the latest comforts and conveniences.

The Nautitech 44 is available in several cabin layouts. The most popular configuration features an expansive center cockpit with below-deck living spaces, along with three berthing areas and a galley. Additionally, most of these vessels feature a large master head and several smaller heads in each of the hulls. Access to each hull through the center cockpit is easy, and the headroom is excellent.

The Nautitech 44 is a fast boat, and it's great for offshore cruising. However, hull width was sacrificed for speed and handling. This means that the hulls are slightly narrower than some of the competition. That said, it doesn't seem to bother most Nautitech owners.

44-foot overall length
Large center cabin
All-weather control cockpit
Great ventilation
Ample room in the hulls
Wide hallways
Spacious heads
Excellent seakeeping abilities
Expensive on the used market
No open cockpit

3. Voyage 44

Here's a popular and spacious catamaran with some unique characteristics that make it ideal for living aboard. The Voyage 44 is a wide and stable multihull sailboat with a large center cockpit and an attractive interior layout.

The cabin of the Voyage 44 is modern and airy, taking advantage of light colors and thoughtfully designed furniture to make the most out of limited space. This is conducive to a pleasant living environment that's also easy to clean. The center cockpit also features a large, full galley.

The center cockpit stands out, as the voyage 44s exceptionally wide beam gives it plenty of room for tables, sitting areas, and other amenities. The windows let in plenty of light, in the cabin is completely weatherproof.

Below decks, the Voyage 44 features up to six separate heads and several sleeping areas. The master head, located in the bow, is one of the largest available on sailboats of this size range. The vessel features up to eight individuals sleeping areas, which is remarkable for a 44-foot boat.

The Voyage 44 is an excellent liveaboard catamaran due to its wide beam and extremely spacious living accommodations. Out of all the boats on this list, the Voyage 44 is likely the best value overall as it's relatively affordable. The Voyage 44 may be the perfect long-term liveaboard catamaran under 50 feet in length.

Unusually wide beam
Full master head with two showers
Very high speeds
Sturdy construction
Very large center cabin
Eight sleeping areas
May be too wide for some marina slips

4. Privilege 435

The Alliaura Marine Privilege 435 is a simple and elegant catamaran with a comfortable interior, smart design, ingrate offshore handling characteristics. This speedy vessel is constructed with some of the finest materials available, and the overall fit and finish are excellent. Behind the center cabin, the Privilege 435 features a strong fiberglass canopy to protect the crew from spray and son.

The majority of Privilege 435s on the market were built recently, so you can expect the latest navigation and safety equipment. Additionally, the vessel is efficient and includes amenities such as multiple heads, modern utilities, and easy access to the hulls through the center cabin.

The vessel features four separate bedrooms and enough bathrooms and showers for each person (or couple). The center Cabin is wide and features comfortable seating areas, along with a full galley with a stove and a fridge. Stepping inside the Privilege 435 is like stepping inside of a vacation house, and it feels purpose-built for long-term living.

The vessel is available in relatively high numbers, though its popularity means you're likely to pay top dollar. On the used market, the vessel sells for between $250,000 to $350,000 on average. This puts it on the upper edge of our price range. But for the price, you got a long-lasting and desirable catamaran that's ready to live aboard almost immediately.

The Privilege 435 is ideal for cruising liveaboards with families or sailors who need space for guests. The interior is very comfortable and aesthetically pleasing. It has several great spaces for entertaining multiple people. On short-to-medium voyages, the Privilege 435 should be adequate for up to eight or more adults.

43-foot overall length
Full-size berthing areas
Large center galley and sitting area
Spacious interior
Large showers
Great offshore handling
Expensive, even on the used market

The Fountain Pajot Elba 45 is a modern and luxurious cruising catamaran with a high freeboard and all the living amenities you'd expect. It's a high-caliber vessel that sails as good as it looks, and it's still produced by the original manufacturer in Europe.

The Elba 45 has one of the largest center cabins of any catamaran in its size range. It features a large settee, a full galley, and access to both hulls. The cabin layout is flexible, and you can order one of several different designs. One of the most popular is the classic 'mirror' layout, where each hull has two master berthing areas, a V-berth in the bow, and two separate heads.

However, other versions are available with attached bathing facilities and additional room for storage, cooking, and other activities. One of the unique features of the Elba 45 is the addition of a V-berth bow. This berth connects directly to the master Beds, which makes for a unique but flexible sleeping arrangement.

If purchased new, the Elba 45 will set you back around $430,000 to $450,000. For the price, you get the latest technology and the finest interior and exterior materials. This is important in the long run as the best liveaboard catamarans should be built to last.

The fit and finish of this vessel are ideal for those looking for a luxurious living environment. Its accommodations are closer to that of a luxury yacht than a sailboat. As a result, the Elba 45 is a great place to live long-term and entertain guests.

45-foot overall length
Multiple layouts available
Luxury fit-and-finish
Four cabins
Six full-size berths
Luxurious amenities
Additional V-berths in bow
Highest build quality
Upper end of the price range

6. Lagoon 380

The majority of suitable liveaboard catamarans are over 40 feet in length. This is because it's difficult to fit comfortable accommodations in a smaller vessel. However, the Lagoon 380 is a notable exception. This 39-foot catamaran is one of the most comfortable vessels in its class, and it features a spacious interior and excellent design.

The Lagoon 380 is a newer vessel that features modern conveniences and adheres to high safety standards. Modern manufacturing techniques make this vessel stronger and easier to maintain than its older counterparts. Additionally, owners praise its sailing characteristics in both rough and calm weather.

The spacious center cabin features a full galley and sitting area with a notably wide walking room in between. It also boasts excellent visibility, which also increases the amount of natural light in the living areas. Additionally, the center cabin features easy access to the hulls, and the mirror layout provides comfortable accommodations for eight adults.

The interior space aboard the Lagoon 380 is almost indistinguishable from catamarans between 44 and 50 feet in length. The primary difference is that, instead of the traditional two heads per hull, the Lagoon 380 only features one. That said, the heads include a large shower and plenty of room to move around.

The Lagoon 380 is the perfect solution for sailors looking for big boat accommodations in a small package. Due to its shorter length, the Lagoon 380 avoids additional fees for docking and servicing vessels over 40 feet overall.

39-foot overall length
Full galley
Under 40 feet in length
High construction quality
Customizable options
Great handling
Fewer bathrooms than some similar vessels

I've personally had thousands of questions about sailing and sailboats over the years. As I learn and experience sailing, and the community, I share the answers that work and make sense to me, here on Life of Sailing.

by this author

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SEAWIND 1160

The 1160 innovative design has gained worldwide acclaim for its clever layout, use of space and efficient short-handed sailing performance., performance through optimization, live, expore and discover with an 1160.

The Seawind 1160 Lite platform features timber laminates that reduce the boat weight by almost 1,000kg. The catamaran layout maximizes the space of this 38-footer and allows for open airflow from the fully-opening cockpit doors through the saloon, down into the cabins, and through the forward wet locker. With 360 degree views and plenty of natural light down below, you have a great view point from any angle on this catamaran design.

MORDERN CRUISING CATAMARAN ERGONOMICS

Live, explore and discover with an 1160.

The Seawind 1160 pioneered modern cruising catamaran ergonomics, including the transverse bed arrangement – one bed arranged fore-aft and the other arranged transverse, meaning you will always find a comfortable sleeping angle in the cabins. The broad saloon allows for a large double bed – so sleep under stars when anchored. While under way, have a comfortable nights sleep in the saloon, within easy reach of the captain on the helm. It’s these easy and natural ergonomics which meake the Seawind 1160 design the cruisers choice across the globe.

SLEEK INTERIOR DESIGN

The Seawind 1160 Lite has a sleek new interior design and fitout, with lightweight and stylish timber-effect laminate surfaces and a contemporary colour pallete. Upholstery is modern, angular, supportive and comfortable, with a range of premium interior fabrics to choose from.

LUXURIOUS INTERIOR DESIGN FOR DELUXE VERSION

The Seawind 1160 Deluxe has a sleek new interior design and fitout, with lightweight and stylish timber surfaces and a traditional yet modern contemporary colour pallete. Upholstery is modern, angular, supportive and comfortable, with a range of premium interior fabrics to choose from.

One of the most noticeable differences on board the Seawind 1160 catamaran is the new sleek interior design and fit out. The timber kit will be replaced with lightweight and stylish timber look laminate surfaces, with a new contemporary neutral colour palette as specified by Seawind’s interior stylist.

With well over 150 Seawind 1160 boats launched and sailing the world, the design has been well proven, from crossing the world’s largest oceans to chartering in the beautiful locations such as the Whitsundays, Thailand and Caribbean.

The Seawind 1160 platform enabels boat owners to choose between traditional Yanmar diesel sail drives or the significantly lighter 20hp Honda (or 25hp Yamaha) outboard engines with electric tilt, a simple push of a button tilts the engine up and out of the water so you have no prop and shaft dragging.

Full in-depth tour from Learning the Lines

"We're seriously considering the Seawind 1160 Lite for our next sailboat because of the long list of positives this catamaran has to offer. Here's just a few of the most important ones to us: Size - We don't want a huge catamaran. Seaworthiness - Plenty of Seawind catamarans have circumnavigated. Performance - The Seawind 1160 Lite is designed to sail well first and foremost. Livability - This catamaran has got a lot of accommodation and room for a 38' sailboat. All of that combined with the fact that we can set one up with electric outboards, daggerboards, and lifting rudders means we think that the Seawind 1160 Lite might be the best catamaran boat possible for our budget and lifestyle."

SPECIFICATIONS

Overall length, 38' / 11.6 m, 21'4" / 6.5 m, 3'6" / 1.1 m, displacement, 14,300 lbs / 6,500 kgs, 2 x 20 hp petrol outboard, 71 us gallons / 269 litres, fresh water, 185 us gallons / 700 litres, 861 sq ft / 80 sq m, 15,400 lbs / 7,000 kgs, 2 x 29 hp diesel inboard, 95 us gallons / 360 litres, recommended options.

ANCHOR BRIDLE

One of the few shortcommings of a catamaran is its tendancy not to stay head to wind on anchor. As wind blows across the bows the boat will tend to twist from side to side around the anchor chain. This effect is combatted by the use of an anchor bridle.

MARINE VINYL COCKPIT FLOORING

This foam backed waterproof marine flooring by Infinity Luxury Woven Vinyl will help keep your cockpit clean and tidy, It reduces pressure on your heels when barefoot onboard and looks super classy!

SOLAR PANEL UPGRADE FROM 2X 125W TO 2X 210W RIGID AND 2X 320W FLUSH PANELS

In this configuration we installed 2x 320w flush panels on the hardtop and 2x 210w framed panels off the back of the targa arch giving a total of 1060W. The flush mount panels can contour to the shape of the roof and can therefore cover more surface area, their weakness however is reduced efficiency (our tests showed a 10% reduction compared to the framed panels of equivalent wattage).

UPGRADE TP 12" ZEUS3 CHARTPLOTTER

The Zeus³-12 is a complete chartplotter navigation system for blue water cruisers and regatta racers. This high-performance multi-function display features a 12″ diagonal widescreen display, incorporating SolarMAX™ HD technology for brilliant daytime visibility and ultra-wide viewing angles.

B&G FORWARD SCAN OPTION

Explore poorly-chartered or unfamiliar waters confidently, avoid upcoming dangers or obstructions and set custom shallow depth alarms with B&G’s forward-looking sensor. With an effective range eight times the actual depth, ForwardScan® helps you avoid groundings or damage to keels and rudders while pinpointing the ideal spot for anchoring.

SATALITE PHONE/DATA WIFI ROUTER IRIDIUM GO

The Iridium GO! is a satellite wifi router/phone. Once installed in the boat the boat will have a wifi hotspot the same as any office/home and all devices (phones, computers, chartplotters, c-zone etc) can then easily be connected to the internet.

Seawind 1370 Hull 1 Test Report
New Production Facility and European Service Center in Izmir, Turkey.
Seawind 1600 Reviewed by Pacific Yachting
Seawind Blog
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Catamaran Aura 51

Think big and aim high

Length overall

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Aura 51 - Smart Elec 75

Smart elec pack

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Upgraded battery

Upgraded charger

Additionnal AC Inverter

Inclus (Smart Elec 75)

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On this yacht, guests do not have to envy the owners when it comes to enjoying comfort and privacy. Isn't that what true luxury is all about?

6 proper cabins plus full crew quarters

The Aura 51 marks the entry point into the world of luxury yachting and uninhibited pleasure...

At 15.54 metres long, it’s easy to see that the Aura 51 catamaran will be generous with space, because she can afford to be. Her hulls have a configuration flexibility that is rare a sailing catamaran of this size, offering the option of not one, but two owner’s cabins that each feature direct access from the stern. Her cockpit-saloon deck layout – which affords breathtaking views and can be completely opened up – is also a first. Featuring the latest in energy management technology, she is equipped with an innovative propulsion system on the ‘Smart Electric’ version.

Catamaran Aura 51 in video

Aura 51: an eco-friendly catamaran

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Creating new memories you want to share

The Aura 51 grants a sublime sense of freedom without ever seeming too extravagant. Seamless movement onboard has been carefully orchestrated with its fluidity leaving nothing to chance. The ergonomics of carefree movement reflects the philosophy of this unique liveaboard catamaran .

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Features Catamaran Aura 51

Version Double Maestro

2 owners’ suites + 2 bathrooms / 2 double cabins + 2 bathrooms

Mainsail area

Displacement unloaded

Option Power

Fresh water tank

2 x 119 Gallons

Diesel tank

Berret-Racoupeau Design

With 2,000 watts generated by fully integrated solar panels, the Aura 51 is a shining example when it comes to renewable energy . Storage and management are handled by a dedicated panel for optimal day-to-day convenience. Her many features make onboard life even more enjoyable.

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Indoor & outdoor areas

Unique design and incomparable spaces.

The only sailing catamaran of its size to offer up to 6 double cabins, the Aura 51 isn’t just open for invitations, she really knows how to entertain! The numerous lounge and shared living areas guarantee an unrivalled degree of comfort. Finding guests to join you has never been easier!

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Vintage 2024-25

The ambiance and materials of the Fountaine Pajot catamaran range evolve over time to infuse our boats with more light, harmony, and modernity, adapting to the trends of today and tomorrow. To give you a glimpse of the current Millésime featured in our range , explore the mini configurator below. It allows you to visualize the standard and optional materials available across our entire lineup. The featured catamaran showcasing the current Millésime is the Aura 51. Every Fountaine Pajot model delivered will include the Millésime presented below.

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Rescue, Mocca 05

Cotting Esprit, Muscade

Cotting Esprit, Nature

Rescue, Argile Rose18

Rescue, Aqua Blue07

Rescue, Blue Jeans11

Rescue, Cloud White02

Valencia, Toffee

Valencia Charcoal

Batyline Elios Vichy

Batyline Elios Caramel

Sunt Flanelle

Bedside table

Virtual visit

As if you were there….

Welcome aboard this exceptional yacht for a 100% immersive visit. Explore her interior and exterior living spaces in minute detail!

Construction & Design
Smart Electric technology

Waiting times for a Fountaine Pajot catamaran may vary according to the stage of your project, the model you want or your sailing area. Some Fountaine Pajot dealers have new catamarans ready to sail! Contact your nearest dealer HERE to ask about the availability of the catamaran of your dreams!

Visit your nearest Fountaine Pajot boat dealer to buy a new catamaran from our range. You will benefit from personalised advice through the Fountaine Pajot dealer network. Discover our network HERE

The price of a Fountaine Pajot sailing catamaran varies according to the size of the model chosen and your sailing project. Our dealers are at your disposal to guide you in your choice of fittings, packages and options to best suit your boat purchase project . You can find out the starting price of the catamaran of your choice on this page HERE .

Innovative, high-tech composite materials constitute most of the structure of our sailing catamarans: hulls, flybridge, decks, bulkheads and more. Fountaine Pajot has perfected a resin injection and infusion technique, an advanced technology that gives our boats all their robustness. Thanks to this expertise, we can make our catamarans considerably lighter while maintaining consistent quality . Injection also makes it possible to meet the most stringent environmental requirements, in line with the commitments of the Fountaine Pajot Group.

Sailing catamarans from 40 to 50 feet are built at the Aigrefeuille headquarters, a few kilometres from La Rochelle. Catamaran yachts from 51 to 80 feet are built in La Rochelle, France, where they benefit from a slipway.

It is essential to define your sailing program: define the size of the crew on board, the level of sailing knowledge, the sailing project and the target sailing area. Every project is different. Whether you want to enjoy a large Owner’s suite, invite many friends and family on board, or telecommute during your voyage, the Fountaine Pajot cruising catamarans can be adapted to suit your needs. Benefit from reliable, seaworthy and spacious catamarans! Find out more about our Owners’ testimonials here

The ergonomics of Fountaine Pajot catamarans have been designed to facilitate manoeuvring at the helm, enabling a small crew (2 persons) to manoeuvre the boat easily, both in port and at sea. The unique design of the helm station allows good communication between the aft cockpit and the Fly relaxation areas. Of course, your level of navigation will determine your ability to sail with two or more persons!

Our electric catamarans now feature a large surface area of solar panels, up to 2000 WC, perfectly integrated into the design of the coachroof. Combined with equipment such as wind turbines or hydro-generators, they compensate for the energy consumption generated by on-board use during cruising. Discover the benefits of the Smart Electric solution with 4 real-life cruise scenarios

The Fountaine Pajot range of electric catamarans is expanding, and now includes 3 Smart Electric models. The Astréa 42, Elba 45 and Aura 51 are now available in this version.

With the help of over 70 engineers, Fountaine Pajot has developed an in-house solution, 100% adapted to the use of its catamarans equipped with hybrid electric motors . All on-board production and energy expenditure flows are managed from a single console designed by our teams to offer a simple, designer user experience. The system we have developed enables us to give priority to the use of renewable energies at all times. Find out more here

15-meter sailboat

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Your local dealer will be happy to advise you and give you more details about this model!

Experiences

A life of dreams, adventures and emotions....

Immerse yourself in the Fountaine Pajot experience through stories of adventure, news, webcasts, podcasts, press reviews, photo and video reports... Discover a little more about the pleasures of cruising and sailing catamarans!

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17 Jul 2024

Fountaine Pajot team wishes you a great summer!

Welcome aboard our latest newsletter, So Catamaran!

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10 Jul 2024

New 2024 edition of the MyBoatAndI photo contest

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How does Smart Electric technology work? Answer on video…

Smart Electric: a complete overview of this technology, its origins, how it works and its everyday benefits... #Broadcast

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02 Jul 2024

3 exceptional days to discover the Fountaine Pajot Sailing Catamarans range

4 days of catamaran cruising with Fountaine Pajot in the British Virgin Islands

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22 May 2024

International Event | Open Days La Rochelle

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Photo Challenge 2023

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03 May 2024

Tanna 47 | Exclusive testimonial for a Mediterranean circumnavigation

2023 magazine

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24 Apr 2024

Thíra 80: voted “Best Production Sailing Catamaran” by Yacht Style

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Multihulls World Magazine – Astréa 42

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Catamaran Isla 40

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Sunbathing Oui

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Discover the prices

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One last step before reaching the next page & discovering the prices proposed & main options for this version! You'll then be able, to schedule a live chat with your local dealer to discuss all the options and configurations available for this model!

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We know that Owen Clarke Design are not the first office that comes to mind when thinking of multihull designs. However, we were first before anything else trimaran designers long before moving into the field of high performance monohulls with the development of Open 60s such as Kingfisher, and Ecover. Bare with us and please take the time to read the paragraphs below. They serve to illustrate our extensive and largely unknown background in trimaran and performance catamaran design to the media, interested parties, existing and future clients.

We look forward to meeting the client who's interested to tread a different path and wants something innovative and exciting, while at the same time using experienced designers and engineers. If you might be that client and wish to begin that discussion contact us

For more information on our 24m design go to:

For an explanation of the technology behind the design process go to:

For an insight into our engineering and detailed design work go to:

And for those that might be interested, three videos from the 90's from three classic British multihull events:

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Catamarans and Trimarans

Catamaran and Trimaran Boat Plans make it a reality to build your own catamaran or trimaran. Multi-hulled sailing vessels are a special class of boat. A very different mind set is required when thinking about sailing a multi hull, let alone getting your head around building one.

There are some unique challenges building a multi-hull sail boat, the extra beam added by each hull for instance can create storage issues while under construction. Hartley boat plans make the build process straight forward for even amateur builders. However with all things considered, building a multi can be an amazing journey.

Fast Twin Catermaran

Lively 28 Cruising Trimaran

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Modern Catamaran Trends: Gimmicks or Valid Design Ideas?

The celebrity of the catamaran is not only swelling in racing, but also for cruising catamarans. At their conception, the atypical design enabled cats to sail faster and in shallower waters with less wind and crew than other sailing vessels. But for years the unorthodox design met with skepticism, leaving the catamaran with little commercial success. Additional challenges to adoption of early versions of cruising cats were the small, very cramped interiors by modern day standards, was heavy and lumbering handling abilities. Many sailors used to say they “were built like tanks and sailed like bricks”.

However, sailors soon realized that nothing could beat the comfort, speed, and safety of a well-designed modern catamaran as a cruising yacht. These vessels can achieve the highest speed for the smoothest ride and boast the most interior space and greatest safety of most ocean-going vessels. Sailors of all types are quickly overcoming earlier prejudices against the multihull design as contemporary design trends continue to produce catamarans that are faster, more exciting, more visually interesting, and safer than ever before.

The New Trends

Fun and interesting new trends in catamarans make sailing even more exciting than ever before. However, innovations are only useful if they contribute to good design, construction, and safety principles and it should fit your sailing purposes. Let’s take a look at some trends in modern cats:

1. Larger Catamarans for Fewer Crew

The new generation of catamaran, using modern composite construction and engineering can be built lighter, larger, and more spacious with very good power-to-weight characteristics. Currently, the trend leans increasingly towards larger catamarans. The average catamaran for a cruising couple now tends to be more in the 45ft to 50ft range. With composite engineering and installation of technologically advanced equipment, e.g., electric winches, furling systems, and reliable auto pilot, it is now possible for shorthanded crews to confidently sail larger boats with larger rigs. Technology has enabled modern catamarans’ bigger volume with more stiff and torsion resistant construction, without compromising stability and safety.

2. Inside Out: Convertible Main Living Areas

The design improvements of convertible living areas not only increases usable space and opens up the living areas, but also reduces interior maintenance and cleaning issues of traditional varnished wood surfaces. An open and convertible main living area with simple, hard-wearing composite materials reduces costs and time required to clean and maintain the boat. Big windows and opening vents allow light in and increase visibility. Gone are the submarine-like claustrophobic cabins typical of most traditional yachts. Owners’ cabins are luxurious, airy, and spacious serving as a very comfortable living space, rather than just a place to sleep.

3. Wave-Piercing or Reverse Bows

4. Bulkhead Helm Stations or Twin Stern Steering?

However, Gunboat moved the cockpit back under cover in its latest designs, just as Leopard introduced a forward cockpit with opening doors into the leisure-focused salon in their Leopard 44 and 48 models. The team at Catamaran Guru questions the suitability of this design feature for blue water catamarans that will encounter large seas, but nonetheless, it is a popular trend especially for the yacht charter market.

Ultimately for a cruising catamaran, our preference is a safe, protected helm station with good visibility and all the control lines leading back to the helm to create a static control station. Push-button controlled winches and windlass as well as the instruments and autopilot should be prominently located and protected within the cockpit.

5. The Flybridge Trend

Getting from the cockpit up to the flybridge and back down in bad weather can prove unsafe. To accommodate the flybridge, the goose neck and boom must be very high making stowing the main problematic. The higher gooseneck position also means that the center of effort is higher which impacts the vessel’s righting moment and is not as good as catamaran with a lower boom position and bulkhead steering. Just where the flybridge design will go is anybody’s guess but right now it has huge appeal for a lot of people.

6. Hydrofoils and Daggerboards

Because of design innovations like curved daggerboards and the hydrofoils, performance on cruising catamarans has improved tremendously but catamaran speed is relative. The most important benefit of speed of a multihull is the ability to outrun bad weather. Being able to average 2-3 knots faster on a catamaran than on a monohull, can help avoid bad weather. Many cruisers often tell us at Catamaran Guru, “I don’t care about performance,” but its not long before they understand that the heavy cruising cat is not quite as comfortable at sea – AND very slow. It makes no sense to buy a catamaran that will not sail at least 200nm per day when making passage.

7. Galley Up or Down

In modern catamarans, the most popular trend currently is galley up, making it a focal point of the main living and entertainment areas. When at sea, every meal comes from the galley, so live-aboards spend a lot of time in the galley and many cruising couples and families find that the separation of galley down in a hull is not ideal. When at sea, hauling hot food up and down the stairs is a safety hazard. Having the galley on the same level as the serving area and cockpit is less tiring and safer. Also, ventilation is better on the bridgedeck than down in the hulls, which makes cooking more comfortable, especially if you are prone to seasickness. The disadvantage of the galley up design is less privacy for the cook’s messes and it can significantly impact the size of the saloon seating area, especially on smaller cats.

Some manufacturers like the St Francis 50 and Antares 44 still trust in the galley down design. Galley down is often preferred for charter boats because it provides a private, self-contained cooking area with dedicated prep areas and utilizes space in the hull that might otherwise be less efficiently used. However, the most popular trend is galley up and it makes sense to most sailors, especially cruising couples and families.

More on our take for galleys up or down .

Is Speed and Interior Comfort Trumping Good Design?

Catamaran stability is a function of beam and buoyancy, so light-weight strong construction, which translates into buoyancy, is a good thing. Typically cruising catamarans have a beam-to-length ratio of roughly 50%, meaning a 45′ long cat will be about 22′ wide. This will not only result in great interior space but also in a very stiff and efficient boat.
The boat needs to have a robust COG (center of gravity) through good buoyancy fore and aft or waterline length to avoid “hobby horsing”, making for a smoother ride and better performance. Performance is a safety issue; it is always better to have the pace to get out of the way of bad weather. So some speed in reserve is great.
Good bridgedeck clearance is important for seaworthiness and crew comfort at sea, by reducing slamming and better performance in rough conditions. However, a very high bridge deck clearance, together with, say 6.5ft of headroom in the saloon, the boat will be very high with a lot of windage. So there has to be a balance struck between bridge deck clearance and the height in the salon. A good rule of thumb for bridge deck clearance is to have good clearance is about 5% of overall length of the hull but 6% is excellent. A clearance of 4% is acceptable but on the low side.

Even in the age of computer modeling, yacht design remains a series of compromises and the use of a boat will dictate its visual design and performance characteristics to a large degree. A well-designed catamaran is ergonomic and pleasing to the eye. It should be sensible and safe, with performance that can get to a safe harbor when necessary. It all comes down to safety and comfort, especially in rough conditions.

Looking to buy a yacht? Contact us if you have any questions regarding catamarans for sale , Fractional Yacht Ownership or our Charter Management Programs .

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2 thoughts on “Modern Catamaran Trends: Gimmicks or Valid Design Ideas?”

Good reading, informative and to the point. There is no reference to building standards and codes of practice. The Catamaran industry needs to “mature “ as more models and brands enter the market with the consumer paying for the downward spiral. Look forward to your next article.

Hi Gregor, you are right. There is no one uniform set of standards. Most countries have published guidelines, codes or laws that a boatbuilder must follow in order to sell a boat in that country. Some of the better known ones are USCG, ABYC, CE, AS/NZS and ABS. There is a lot of similarity between the different international regulatory bodies but just as many differences. Enforcement of these standards are sketchy. Labels are applied to boats i.e. “in compliance,” “certified” or “classified.” and it all means little if not enforced. In the US, it’s mostly up to the builder to voluntarily comply with the published guidance ( the all do since it’s in their interest). In the European Union, by law a boat has to be inspected, documented and certified. Australia and New Zealand publish their own set of rules. So it’s a miss mash of laws and rules and it’s hard for the consumer to pin down!

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New Catamaran ‘Piment Rouge’ Set to Sail in the 2024 ARC+ Rally to the Caribbean

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Introduction to Piment Rouge

A new catamaran is rallying to the Caribbean this fall. Piment Rouge (Red Pepper), the name of Captain Pierre De Saint Vincent’s former Outremer 51, which has crisscrossed the Atlantic between the Caribbean and the Mediterranean over the last three years, is now the moniker of his just-launched 50’ Catana Ocean Class yacht. De Saint Vincent will take delivery of the new Catana cat this summer and then prepare her to sail in the ARC+.

The ARC+ Rally Overview

The ARC+ is a World Cruising Club-run rally that departs La Palmas in Gran Canaria on November 10, with a stop in Cape Verde, before finishing at Camper and Nicholsons Port Louis Marina, in Grenada. It’s here in Grenada that cat-connoisseurs can get a look at this new Catana design.

Sailing with Charlie: World cruisers are everywhere these days

Living Comfortably Aboard Piment Rouge

“When you live on your boat, as I do, comfort and layout are far from negligible factors,” says De Saint Vincent. “I’ve sailed 45,000 miles in less than 3 years in all conditions, including some tough transatlantic passages, so a comfortable and protected helm station in all weathers is very much appreciated. The Catana’s layout is top quality and very functional, with a rear bench seat for watchkeeping and a comfortable seat at the chart table, not to mention the numerous storage options, which are always much sought-after on a boat.”

Performance and Features of Piment Rouge

Piment Rouge is a performance-oriented yacht with a carbon mast and sail pack with 7 sails to make the most of every wind angle. It’s also comfortable. Piment Rouge offers liveaboard comfort including over 500 liters of chilled storage, a 9 kg washing machine, and air conditioning. Piment Rouge will even be equipped with a wine cellar, half of which will be used to store fruit and vegetables.

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All kinds of ways to do jerk. Here in Saint Elizabeth they use oil barrel barbecues and forego the pimento sticks. Photography by Sharon Matthews-Stevens

Looking Ahead to the ARC+ Challenge

“We’ve got a great challenge ahead of us this year on the ARC+ with a lot of competitors, which will enable us to judge the performance of our new catamaran,” says De Saint Vincent.

For more information, visit Catana or Piment Rouge .

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James Wharram Designs
Affordable. Building your own boat with Wharram Designs is the easiest and most cost effective way to fulfil your sailing dreams. Wharram Self-build boat plans start from only £120. Wharram designs are based on years of practical, hands-on experience of building and ocean sailing catamarans. They are renowned for their seaworthiness, stability ...
How To Create the Perfect Cruising Catamaran Layout
The Prismatic Coefficient (Cp), a measure of how full the ends of the hull get, is the most essential design hull shape factor for any catamaran. A high Cp equals high speeds, although you can still use a lower Cp if you have fine hulls. Nevertheless, the key to a good Catamaran design is a higher Cp for fast sailing.
12 Best Catamaran Sailboats
The best catamaran sailboats can easily clock 250-mile voyages, offer incredible performance, and have layouts that can be easily optimized for individuals, charter markets, and great accommodation. In essence, the best catamaran sailboats offer respectable performance and offer good load-carrying ability.
Plans For Catamarans And Monohulls
LIKE US ON FACEBOOK. Snail Mail: PO Box 900, Morayfield, Qld, 4510, Australia. Email: [email protected]. Mike Waller Yacht Design provides comprehensive boat plans for amateur boat builders. A range of stock plans are available for both monohulls and multihull vessels, constructed in plywood or timber / glass composite.
DIY Cruising Catamaran: Complete Building Guide
If you were to build a 40-foot (12.1-meter) catamaran, your cost of materials would range between 20-30% of the total cost. Therefore, for $300,000 total, the boat's materials would range between $60,000 and $90,000. The hull tends to range between 15-35% of the total build.
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Instead there is a wide variety of designs, ranging from small catamarans that offer the ease of maintenance a couple might enjoy to performance catamarans capable of easily knocking off 250-mile days. Today, the best catamaran brands offer a range of size models and layouts that can be optimized for an owner sailing with family and friends, or ...
Kurt Hughes Multihull Design
KHSD boat Videos. Tel: 206.719.4893 Email: Kurt Hughes [email protected] Slater's Landing 3123 Fairview Ave E.
Schionning Designs
Schionning Designs International offer the easiest and affordable Multihull Catamaran Plan and Kit Solution. Visit: www.schionningdesign.com ... and as much fun as possible! The Schionning pre-cut kit is the simplest way to build your own boat or have it built faster and more accurately by a professional. Anyone can get started on Living The ...
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If you have fine hulls you can use a lower Cp. Most monohulls have a Cp of 0.55- 0.57. And that is about right for displacement speeds. However the key to Catamaran design is you need a higher Cp if you want to sail fast. So a multihull should be at least 0.61 and a heavy displacement multihull a bit higher still.
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Introduction to Piment Rouge. A new catamaran is rallying to the Caribbean this fall. Piment Rouge (Red Pepper), the name of Captain Pierre De Saint Vincent's former Outremer 51, which has crisscrossed the Atlantic between the Caribbean and the Mediterranean over the last three years, is now the moniker of his just-launched 50' Catana Ocean Class yacht.
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