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Lagoon 37
Designer: Van Peteghem/Lauriot-Prevost  ·  Builder: Jeanneau (Fra)/Tpi (Usa)  ·  First built: 1991
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About the Lagoon 37

Designed by the renowned French naval architecture firm Van Peteghem/Lauriot-Prevost, this compact cruising catamaran represents an early entry into the production multihull market during the 1990s. Built by Jeanneau in France and TPI in the USA between 1991 and 1998, only 41 units were produced, making it a relatively rare find among cruising catamarans. At just under 37 feet overall with a generous 20-foot beam, this fractional sloop-rigged catamaran offers impressive interior volume and deck space while remaining manageable for a small crew. The twin keel configuration provides excellent directional stability and allows for convenient beaching or drying out in tidal areas. With a moderate displacement of 11,833 pounds and 839 square feet of sail area, the boat delivers respectable performance while prioritizing comfort and stability. The design philosophy emphasizes coastal cruising and short-handed sailing, making it well-suited for couples or families seeking the space and stability advantages of a catamaran without the complexity of larger vessels. Its shallow 4-foot draft opens up cruising grounds inaccessible to deeper monohulls, while the fiberglass construction ensures durability and relatively straightforward maintenance. This model helped establish Lagoon's reputation in the production catamaran market.

Core Dimensions
LOA (Length Overall) 36.75 ft / 11.20 m
LWL (Waterline Length) 33.33 ft / 10.16 m
Beam 20.00 ft / 6.10 m
Max Draft 4.00 ft / 1.22 m
Displacement 11,833.00 lb / 5,367 kg
Sail Area (Reported) 839.00 ft² / 77.95 m²
Design & Construction
Hull Type Catamaran Twin Keel
Rigging Type Fractional Sloop
Construction FG
Designer Van Peteghem/Lauriot-Prevost
Builder Jeanneau (FRA)/TPI (USA)
First Built 1991
Last Built 1998
Number Built 41
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Performance Ratios
Comfort Ratio Ted Brewer's Comfort Ratio predicts how comfortable a boat will feel in offshore conditions. Higher values mean a steadier, more comfortable motion in a seaway.
Under 20 — Uncomfortably rough20–30 — Acceptable coastal30–40 — Good offshore comfortOver 40 — Very comfortable offshore
9.77
Capsize Screening Formula The USHS Capsize Screening Formula estimates offshore capsize risk. Lower is safer — values under 2.0 are considered acceptable for offshore sailing.
Under 2.0 — Safe for offshore2.0–2.2 — Borderline offshoreOver 2.2 — Coastal use recommended
3.52
Hull Speed Hull Speed is the theoretical maximum speed of a displacement hull, calculated from waterline length. Most cruising sailboats reach this speed in moderate conditions. 7.74 kn
Pounds/Inch Immersion Pounds per Inch Immersion (PPI) tells you how much weight is needed to sink the boat one inch. Useful for calculating how additional gear and stores affect waterline. 14.28 pounds/inch
Engine & Accommodations
Engine Make Yanmar/Perkins
Engine Type Diesel X2
Fuel Capacity 52 gals / 197 L
Water Capacity 100 gals / 379 L
KSP 0.77
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