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Welcome to the World of Lagoon


The first generation of catamarans was launched from 1987 to 1996 with the Lagoons 55, 47, 57 and 67: all ocean cruising private yachts. However, the Lagoons 37 and 42 were more suited to the charter market. The production was limited, but it established some strong guidelines by which the brand could be recognized from the outset: the high quality of design and construction with better than average performance.

These are still Lagoon’s fundamental values.

1996 saw the launch of a new generation of Lagoons that took over the market immediately with the use of the following basic principles: maximum protection in the sun, maximum use of space available (hence the vertical cabin windows, now a Lagoon trademark), more comfort and paying careful attention to the trends set by the private customers.

Since 2003, Lagoon is the world dealer in cruising catamarans due to its innovative range and supportive distribution network. Today, Lagoon can boast to having 50 passionate catamaran specialists distributors all over the world.

Production Data

Lagoon 500 Catamaran Sailing

Lagoon builds its boats on two production sites:
- The Lagoon 380, 420 and 440 in the Beneteau group Vendee factories,
Linear production lines, laminating by infusion or wet on wet

- The Lagoons 500, 570, 620 and 67 in Bordeaux in the CNB factories
Transversal production lines, laminating by infusion

Lagoon is in 2006/2007: more than 260 boats built and .. A few records:
- More than 1500 boats built since inception
- 500 Lagoon 380 sails on all the world oceans

- 280 Lagoon 410 built
- 250 Lagoon 440 built in 3 years

Lagoon benefits from the strengths of the Beneteau group:
- Industrial Power
- R&D capacities
- Commercial power
- Human resources (more than 6000 employees)
- Financial backing: the group turnover as to August 31st 2007: EUR 1,013.9 Million

Arguments and Strong Points

Over the years, Lagoon has acquired a real expertise in developing innovative features on catamarans.

A number of these technical or technological advances introduced by Lagoon are today a must on most modern cruising catamarans.

Designed by architects renowned throughout the world, Van Peteghem and Lauriot Prevost. The 1st multihull naval architecture firm in the world.

The Fins
The debate between architects, shipyards and sailors for or against fins or centerboards has been passionate for decades. Here are the reasons for using fixed fins:

Displacement: Modern cruising catamarans generally carry a lot of equipment and their displacement suffers the consequences. Lagoon always endeavors to save weight in the structures and the accommodation, as with a sandwich construction by infusion.

Lagoon 440 Catamaran
Lagoon 420 Catamaran Sailing
Keels are the preferred solution for three reasons:

The higher resistance to lateral drift: the longer and more linear profile, the extra volume of the keels offer a notable gain in buoyancy, which allows for the same displacement to stretch the lines and enhance the performance

Grounding: Whether voluntary (beaching for antifouling at low tide) or accidental, the possibility to dry out safely or to hurt a reef without damaging the hulls to such an extent that the boat would sink is an important security factor. On the Lagoon, the keels are either totally isolated from the boat interior (like on the L380 and L410) or contain the freshwater or fuel tanks (L570, L67). This has allowed the designers to stretch the lines further (the volume of the water tanks is not part of the volume on the hull).

If a keel is damaged, the boat will not sink… safety. Like all moving parts on a boat, centerboards require maintenance and a certain expertise to be used correctly (when should they be raised? On which wind angle? At which depth should they be set?) None of these questions occur with the keels… simplicity.

Draught of a catamaran is that of its rudders, the keels are always designed to be a few centuries deeper for safety. Therefore, whichever version you choose, you will not be able to get nearer to the beach whether the boat has centerboards or fixed keels. On the other hand, it will be possible to sail upwind shallow waters with keels, this cannot happen with cenreboards… efficiency.

Centerboard catamarans may offer a better performance, but on condition that their weight is kept down to a minimum. Lagoon has chosen the consensual option, the one which best suits its clients sailing plans.

The Hulls

Lagoon 440 Catamaran featuring Gullwing Bridgedeck
The symmetrical hulls of the Lagoon generate a very linear flow of water where the molecules travel on each side of the hull at the same speed. The Van Peteghem Lauriot Prevost hull designs are today’s reference; the result of nearly 20 years of racing and the undisputed domination of the Open 60s multihulls class – a guarantee of quality and utmost security. By developing the advances gained with racing boats, the architects are the best judges when it comes to compromise between performance and seaworthiness.

The Lagoons’ bridgedecks are amongst the highest, which is a guarantee of comfort at sea (less slamming, less noise), as well as of security: less stress on the composite structure… strength!

The gullwing shaped bridgedecks are an exclusive design, created in 2004 on the Lagoon 440 and developed since on all new models. No flat surface under the bridgedeck (reduction of the wave impacts, less noise) more comfort.

Produced by our Design Offices in Vendee and in Bordeaux, the equipment on board the Lagoons with their choice and setting are not only the result of our designers’ studies and experience but also of our client’s feedback through our network distributors.

The electric circuits are one of the vital systems on a modern cruising boat. With the help of its state-of-the-art CAD and layout software, Lagoon’s Design Office has created electric circuits where quality, reliability, ease of access and maintenance, lightness and security are paramount criteria.

Security is a major consideration, so the entire electrical system used on the Lagoon catamarans is strictly compliant to the CE standards.

The quality of the cables, which are screened and laid in their own conducts and coded, the easy access to the distribution panels, are all essential elements to guarantee the Lagoons are equipped with an electrical system of the highest standard.

Lagoon takes particular care with the installation and the layout of the various plumbing circuits required on a cruising boat: freshwater distribution circuit, sea water supply, grey and black water system.

Again, the 3D design and layout software used by Lagoon’s design office allows for the perfect integration of the circuits in the general layout of the boat.

The use of materials like the high pressure PVC tubing, rubber flexible pipes, S/S? valves, seacocks and connections results in an installation which will not be adversely affected by the seawater environment in which it functions.

For security reasons, the conservation of foodstuff is essential. Lagoon has studied the question of cold storage system of its boats in depth.

No cruise can be enjoyed without an efficient refrigeration system. Lagoon’s and the Beneteau group’s long experience has enabled them to come to an ideal solution with:

Dining on the deck of the Lagoon 440 Catamaran
Lagoon 420 Catamaran Rigging
- the best insulation possible given the available volume

- the lowest electrical consumption
- reliable compressors

- System efficiency

- Easy maintenance
- The excellent quality of the materials (S/S, etc.)
- The choice of widely distributed brands of equipment

Deck gear, rigging
Experience acquired in racing has enabled Lagoon to choose nothing but the best deck gear and rigging: Harken, Lewmar

The stresses on the rig of a catamaran are about ten times that of a monohull. This explains the care we take to select high quality equipment.

Lagoon has had a good working relationship for many years with suppliers renowned all over the world, the best in their sector: Z Spars, Sparcraft, Marechal.

The deck plan design, the choice of materials and the calculation of stresses is a precise work undertaken together by our architects, suppliers and the Lagoon design office. Each material has been subjected to extensive tests designed to select the most reliable, efficient and durable equipment.

These tests take place in the aging chamber in marine mist of the Beneteau group laboratory as well as at sea on racing boats.

Naval Construction

The 38’ to 45’ Lagoon catamarans built in the Vendee Beneteau group factory, as well as the Lagoon 500 built in Bordeaux, benefit from one of the most modern workshops in the world. Equipped with digitally controlled cutting machines which guarantee the precision of the joints and the quality of the varnishes used, it ensures that out catamarans offer the best value for money on the market.
Lagoon 440 New Interior, Salon

In all instance, no woodwork can be elegant without the contribution of qualified craftsmen. Lagoon’s cabinet makers are perfectionists; they work with love and pride. They are also in charge of the installation and the finish of the Lagoon catamarans fitted furniture.

The design of the accommodation and interior furniture is entirely the work of Lagoon’s design office. The architects perfect mastery of the advanced CAD software let them implement the design on board the boat in real time, in conjunction with other craftsmen, so that each element, each feature and each piece of furniture integrates at the design stage of all stresses involved in the complex architecture of a boat as it finds its place on board.

The choice of wood varieties, UV resistant varnishes, has been the object of a careful attention so that as years go by, you will always be proud of your Lagoon.

Composite Material
It is the combination of heterogenic materials used to build the hulls, the deck and the bulkheads, on a perform or in a mould, for which the main specifications are: contents, resistance (in traction, shearing and compression), stiffness, imperviousness, phonic insulation, thermal insulation, brilliance (exterior finish), lightness, long durability.

Infusion Technique
Like with all other processes, the hull, the deck and the bulkheads are built in a mould in the form of the finished piece. But instead of wetting the fiber with layer upon layer of resin, the whole of the hull side materials are laid out in place to dry (outer fiberglass matt, sandwich core, and inner fiberglass matt). The whole structure is covered with a flexible plastic film and the air vacuumed to draw the resin by depression and impregnate evenly every layer of the structure.

What are the advantages and drawbacks of this technique?


  • Maximum capacity of the fibers. Use of the minimum required amount of resin to reach the ideal physical properties of the material: the amount of resin used by Lagoon is about 40%, instead of 60% normally with the traditional wet laying process, hence the notable weight gain.
  • Easier and more precise laying of the fiber matt when dry
  • Perfect bonding of the various materials that constitute the sandwich: because the resin impregnation takes place all at once, their cohesion is absolute
  • Longer protection in time: each air gap between layers will be filled with resin, this guarantees that eventual damages will not spread through the sandwich
  • Excellent mechanical properties, superior than when the materials are laid wet on wet, even under vacuum (resistance to shearing, traction and compression, no inclination to bending or buckling, strong interlaminar bonding)
  • Safety of the personnel, as not in contact with the resin
  • Protection of the environment with a considerable reduction of solvents (VOC) vapors
  • Lagoon 500 Catamaran Sailing


  • This technology requires a well qualified personnel
  • Production costs slightly higher than those of the wet on wet laying process
  • Longer building cycle
  • Some waste needs retreatment

Lagoons built by infusion technique

The Pulse That Makes The Difference

  • The sandwich core in the balsa offers better mechanical (excellent resistance to compression) and chemical (more stability over time) properties
  • The construction by infusion: not only offers the optimal proportion of resin in the fiberglass (comparable to that of the pre-impregnated building technique), but the quality of the bonding between the composite materials and the isolation of each balsa square by mechanical ties between the inner and outer skins improves the quality and reliability of the structure, while providing an appreciable gain of weight.
  • The aniti-osmosis barrier systematically created by the use of vinylester type resin on all the Lagoons is a guarantee of durability
  • Buoyancy is also a guarantee of security. All Lagoon catamarans comply with the CE standards for the unsinkability of multihulls. The forward and aft compartments of each hull are separated from the living quarters of the yachts by watertight bulkheads. The density of the materials used and the absence of ballast enhance the unsinkable characteristics of the boat. Even after an impact, you can carry on sailing with your Lagoon.
  • Lagoon 500 Catamaran Sailing
    The vertical windows of the deck cabin offer many advantages:

- More protection against the sun: it is cooler in the saloon

- More volume inside the boat without encroaching on the exterior

- Higher headroom

- Better visibility to the outside world

- Timeless design

  • The wide hulls offer more volume in the cabins with larger floor space
  • The volume of the hulls allows us to fit double beds even on the Lagoon 380
  • Steering cables (same as on racing boats) and trapezoidal rudders offer a precise control, an excellent performance and a very responsive helm
  • Helm stations have been designed for comfort and ease of maneuvering
  • The salon and cockpit spaces are well proportioned and the ease of access from one to the other is typical of the layout on Lagoons and always appreciated by their clients
  • The living areas on Lagoon catamarans are comparable to those of monohullls 30% to 40%

For more additional information, please visit www.catamarans.com


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