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Sailboat Specifications

Oyster 70

Cutter · Fin W/Spade Rudder

Designed by Holman & Pye · Built by Oyster Marine Ltd. · First built 1996

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LOA 70.00 ft  ·  Beam 17.25 ft  ·  Displacement 91,000.00 lb  ·  Sail Area 2,993.00 ft²  ·  Cutter  ·  Fin W/Spade Rudder
About the Oyster 70 Sailboat

Purpose-built for serious bluewater cruising, the Oyster 70 represents one of the most capable and refined offerings from the prestigious British yard Oyster Marine, a builder long synonymous with quality offshore sailboats. Designed to carry experienced cruisers and their crews comfortably across oceans, this flagship-class vessel sits at the larger end of the Oyster range and reflects the brand's commitment to combining seakeeping performance with luxurious liveaboard comfort. Oyster's reputation has been built over decades on producing boats that are as dependable in challenging ocean conditions as they are enjoyable to sail in calmer waters, and the 70 embodies that ethos at an elevated scale. Buyers are typically drawn to this model for extended offshore passages and world cruising itineraries, where the boat's build quality, systems integration, and generous range become genuine advantages rather than marketing talking points. For anyone researching a vessel capable of handling both long ocean crossings and relaxed coastal sailing without compromise, the Oyster 70 deserves serious consideration as one of the more respected names in premium bluewater yachting.

Dimensions & Specifications
LOA (Length Overall) 70.00 ft / 21.34 m
LWL (Waterline Length) 58.00 ft / 17.68 m
Beam 17.25 ft / 5.26 m
Max Draft 9.08 ft / 2.77 m
Displacement 91,000.00 lb / 41,277 kg
Ballast 24,600.00 lb / 11,158 kg
Sail Area (Reported) 2,993.00 ft² / 278.06 m²
Design & Construction
Hull Type Fin w/spade rudder
Rigging Type Cutter
Construction FG
Designer Holman & Pye
Builder Oyster Marine Ltd.
First Built 1996
Last Built 1999
Related Sailboats Swan 70 · Swan 68 · Oyster 675 · Baltic 73 · Cnb 66
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Frequently Asked Questions

What is the Oyster 70's sail area to displacement ratio?

The Oyster 70 has a Sail Area to Displacement ratio (SA/D) of 23.78. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.

What is the Oyster 70's comfort ratio?

The Oyster 70 has a Ted Brewer Comfort Ratio of 51.48. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.

Is the Oyster 70 safe for offshore sailing?

The Oyster 70 has a Capsize Screening Formula value of 1.54. Values under 2.0 are considered acceptable for offshore sailing; under 1.8 is ideal.

What is the hull speed of the Oyster 70?

The theoretical hull speed of the Oyster 70 is 10.21 knots, calculated from its waterline length.

How much does a Oyster 70 weigh?

The Oyster 70 has a displacement of 91,000.00 lb and a length overall (LOA) of 70.00 ft.

Who designed the Oyster 70?

The Oyster 70 was designed by Holman & Pye, first built in 1996.