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First 235 Fin keel is a Cruiser-racer sailboat built by Bénéteau and designed by Finot Conq Architectes. Her first hull was built in 1986 with an overall lengh of 7.14 m or 23.5 ft long and a Deck stepped mast mast configuration.

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FIRST 235 FIN KEEL Sailboat Specifications​


Overall Length (LOA) m / ft7.14 m / 23.5 ft
Designer(s)Finot Conq Architectes
VersionFin keel
categoryCruiser-racer sailboat
Hull TypeMonohull
Number of Hulls Built680
First Hull Built1986
Last Hull Built1994
AppendagesKeel fin without bulb
HelmSingle tiller
RudderSingle spade rudder
CockpitClosed aft cockpit
Ballast TypeCast iron
Rigging TypeSloop Marconi 7/8
Mast LayoutDeck stepped mast
Number of Cabin(s)1
Number of Head(s)1
Freshwater Tank Capacity lt/gal50 L / 13.2 gal
Ballast Ratio0.26


Overall Length (LOA) 7.14 m / 23.5 ft
Hull Length6.57 m / 21.7 ft
Waterline Length (LWL)6.36 m / 20.11 ft
Beam (width)2.5 m / 8.2 ft
Waterline Beam Width2.06 m / 6.10 ft
Maximum Transverse Section0.56 m² / 6 ft²
Draft1.15 m / 3.10 ft
Wetted Area11.91 m² / 128 ft²
Fore Freeboard0.94 m / 3.1 ft
Mid-Ship Freeboard0.82 / 2.8 ft
Light Displacement (MLC) 1390 kg / 3064 lb
Maximum Displacement1830 kg / 4034 lb
Ballast Weight360 kg / 794 lb


Critical Hull Speed6.12 knots
Displacement-Length Ratio (DLR)153
Ballast Ratio0.26
Upwind Sail Area to Displacement25.84 m²/T / 278 ft²/T
Downwind Sail Area to Displacement40.94 m²/T / 441 ft²/T

Above Deck

Mast LayoutDeck stepped mast
Mast Height from DWL10.56 m / 34.7 ft
Rotating SparsNo
Number of Levels of Spreaders1
Spreaders AngleSwept-back
Spars ConstructionAluminum spars
Standing Rigging1x19 strand wire continuous
Upwind Sail Area32.18 m² / 346 ft²
Downwind Sail Area50.99 m² / 549 ft²
Mainsail Area14.69 m² / 158 ft²
Genoa Area17.49 m² / 188 ft²
I27.10 ft * 8.46 m
J7.11 ft * 2.4 m
P26.7 ft * 8.1 m
E10.4 ft * 3.15 m

Engine Room

Engine(s)1 outboard engine
Engine(s) Power10 HP
Fuel typeGas

Below Deck

Maximum Headroom5.6 ft * 1.69 m
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