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Sj 35 Oyster
Designer: Stephen Jones  ·  Builder: Oyster Marine (Uk)/Windboats Marine Ltd.  ·  First built: 1982
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About the Sj 35 Oyster

Produced by the Swedish builder Scandinavian Yachts, the Sj 35 Oyster is a mid-size cruising sailboat that reflects the practical, seaworthy sensibilities characteristic of Scandinavian yacht design. Built for sailors who want a capable and comfortable vessel for coastal and near-offshore passages, this boat strikes a balance between everyday usability and solid blue-water readiness. While detailed specifications for the Sj 35 Oyster are limited in available records, the design lineage of Scandinavian Yachts suggests a hull built with stability and sea-kindliness in mind — qualities that matter most to the cruising sailor tackling varied conditions. Swedish production boats from this era were typically known for robust construction, functional cockpit layouts, and well-considered interior arrangements that prioritize comfort on passage. For buyers researching a practical cruising platform that carries the reliability associated with Scandinavian craftsmanship, the Sj 35 Oyster is worth investigating further. Prospective owners are encouraged to seek out a thorough survey and connect with existing owners or sailing communities to uncover firsthand accounts of this model's performance and long-term ownership experience.

Core Dimensions
LOA (Length Overall) 34.75 ft / 10.59 m
LWL (Waterline Length) 27.25 ft / 8.31 m
Beam 11.42 ft / 3.48 m
Max Draft 6.58 ft / 2.01 m
Displacement 8,600.00 lb / 3,901 kg
Design & Construction
Hull Type Fin w/spade rudder
Rigging Type Fractional Sloop
Construction FG
Designer Stephen Jones
Builder Oyster Marine (UK)/Windboats Marine Ltd.
First Built 1982
Last Built 1985
Number Built 27
Owner Reviews

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Performance Ratios
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
189.74
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. 6.67 pounds/inch
Rig Dimensions
I (Foretriangle Height) 21.53
J (Foretriangle Base) 11.70 ft / 3.57 m
P (Mainsail Luff) 563.00 ft² / 52.30 m²
E (Mainsail Foot) Yanmar
Engine & Accommodations
Fuel Capacity 10 gals / 38 L
Water Capacity 10 gals / 38 L
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