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Oceanis 400 Beneteau
Designer: Groupe Finot  ·  First built: 1996
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About the Oceanis 400 Beneteau

Beneteau's Oceanis 400 represents the French builder's commitment to creating accessible cruising sailboats that balance comfort with sailing performance. Part of the popular Oceanis line that has dominated the charter and private cruising market for decades, this model exemplifies the evolution of modern cruising yacht design. Built with coastal and moderate offshore cruising in mind, the Oceanis 400 features the distinctive styling and practical layout philosophy that made Beneteau a household name among sailing enthusiasts. The design emphasizes ease of handling and livability, making it an attractive option for couples or families looking to explore coastlines and island chains with confidence. Like other vessels in the Oceanis series, this model likely incorporates twin helm stations for better weight distribution and improved visibility, along with a spacious cockpit designed for both sailing efficiency and relaxed entertaining. The interior typically maximizes living space while maintaining the structural integrity needed for extended passages. For sailors seeking a reliable platform that doesn't require a large crew to operate effectively, the Oceanis 400 continues Beneteau's tradition of creating boats that make sailing accessible without sacrificing the essential characteristics that define a capable cruising yacht.

Core Dimensions
LOA (Length Overall) 40.35 ft / 12.30 m
LWL (Waterline Length) 34.45 ft / 10.50 m
Beam 13.45 ft / 4.10 m
Max Draft 6.23 ft / 1.90 m
Displacement 19,400 lb / 8,800 kg
Ballast 6,834 lb / 3,100 kg
Sail Area (Reported) 754 ft² / 70.05 m²
Design & Construction
Hull Type Fin w/spade rudder
Rigging Type Masthead Sloop
Construction FG
Designer Groupe Finot
First Built 1996
Last Built 2002
Owner Reviews

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Performance Ratios
SA/Displacement Sail Area to Displacement ratio measures how much sail power a boat has relative to its weight. Higher values mean more performance and speed.
Under 14 — Heavy cruiser, slow14–18 — Cruising sailboat18–22 — Cruiser/racerOver 22 — Performance racer
 16.68
Ballast/Displacement Ballast to Displacement ratio shows what percentage of the boat's total weight is ballast. Higher values generally mean better initial stability and stiffer sail carrying.
30–35% — Typical cruiser35–45% — Stiff performance boatOver 45% — Racing oriented
 35.23
Displacement/Length Displacement to Length ratio measures how heavy a boat is relative to its waterline length. Lower values mean a lighter, faster boat.
Under 100 — Ultralight racer100–200 — Light cruiser/racer200–300 — Moderate cruiser300–400 — Heavy cruiserOver 400 — Very heavy
 211.83
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
 25.78
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
 2.01
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. 7.87 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. 9.93 pounds/inch
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