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Oyster SJ35 is a Cruiser-racer sailboat built by Oyster and designed by Stephen Jones Yacht Design. Her first hull was built in 1983

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OYSTER SJ35 Sailboat Specifications​


Overall Length (LOA) m / ft10.67 m / 35.00 ft
Builder(s)Oyster Marine Ltd.
Designer(s)Stephen Jones Yacht Design
categoryCruiser-racer sailboat
CountryUnited Kingdom
Hull TypeMonohull
Number of Hulls Built27
First Hull Built1983
Last Hull Built1985
AppendagesKeel fin without bulb
HelmSingle tiller
RudderSingle spade rudder
CockpitClosed aft cockpit
Rigging TypeSloop Marconi fractional
Freshwater Tank Capacity lt/gal40 L / 10.6 gal
Ballast Ratio43.02


Overall Length (LOA) 10.67 m / 35.00 ft
Hull Length10.6 m / 34.10 ft
Waterline Length (LWL)8.3 m / 27.2 ft
Beam (width)3.48 m / 11.5 ft
Draft2.01 m / 6.7 ft
Light Displacement (MLC) 3900 kg / 8598 lb
Maximum Displacement3901 kg / 8600 lb
Ballast Weight1680 kg / 3704 lb


Critical Hull Speed6.99 knots
Capsize Screening Formula (CSF)2.23
Comfort Ratio17.54
Displacement-Length Ratio (DLR)193
Ballast Ratio43.02
Sail Area to Displacement21.53
Upwind Sail Area to Displacement21.11 m²/T / 227 ft²/T

Above Deck

Rotating SparsNo
Number of Levels of Spreaders2
Spreaders Angle0 °
Spars ConstructionAluminum spars
Standing Rigging1x19 strand wire continuous
Estimated Forestay Length12.55 m / 41.19 ft
Reported Sail Area52.30 m² / 563.00 ft²
Total Sail Area52.35 m² / 563.45 ft²
Upwind Sail Area52.3 m² / 563 ft²
Mainsail Area30.93 m² / 332.97 ft²
I39.50 ft * 12.04 m
J11.67 ft * 3.56 m
P41.83 ft * 12.75 m
E15.92 ft * 4.85 m

Engine Room

Engine(s)1 inboard engine
Fuel typeDiesel
Fuel Tank Capacity40 L / 10.6 gal
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