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Sailboat Specifications

Swan 57 Ss Ketch

Masthead Ketch · Fin With Rudder On Skeg

Designed by Sparkman & Stephens · Built by Nautor · First built 1977

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LOA 57.41 ft  ·  Beam 15.85 ft  ·  Displacement 49,500.00 lb  ·  Sail Area 1,580.00 ft²  ·  Masthead Ketch  ·  Fin With Rudder On Skeg
About the Swan 57 Ss Ketch Sailboat

Built by the legendary Finnish shipyard Nautor's Swan, the Swan 57 Ss Ketch represents the kind of serious bluewater capability that has made the Swan name synonymous with offshore excellence. Configured as a ketch, this vessel divides its sail plan across two masts, offering the flexibility and reduced individual sail sizes that make offshore passages more manageable, particularly for shorthanded crews navigating demanding conditions far from port. Swan yachts have long carried a reputation for exceptional build quality, refined aesthetics, and performance that bridges the gap between dedicated racing machines and comfortable cruising vessels. The Swan 57 Ss Ketch fits squarely within that tradition, likely appealing to experienced sailors seeking a capable passage-maker that can handle oceanic crossings while still delivering the responsiveness and poise that Swan enthusiasts expect. For anyone considering long-distance blue-water cruising or extended offshore voyaging, a Swan of this size and rig type warrants serious consideration. Prospective buyers are encouraged to seek out a full survey and connect with Swan ownership communities, where firsthand accounts of this model's sea-keeping qualities and long-term reliability can help inform a confident purchasing decision.

Dimensions & Specifications
LOA (Length Overall) 57.41 ft / 17.50 m
LWL (Waterline Length) 45.81 ft / 13.96 m
Beam 15.85 ft / 4.83 m
Max Draft 9.10 ft / 2.77 m
Displacement 49,500.00 lb / 22,453 kg
Ballast 18,900.00 lb / 8,573 kg
Sail Area (Reported) 1,580.00 ft² / 146.79 m²
Design & Construction
Hull Type Fin with rudder on skeg
Rigging Type Masthead Ketch
Construction FG
Designer Sparkman & Stephens
Builder Nautor
First Built 1977
Last Built 1984
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Frequently Asked Questions

What is the Swan 57 Ss Ketch's sail area to displacement ratio?

The Swan 57 Ss Ketch has a Sail Area to Displacement ratio (SA/D) of 18.84. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.

What is the Swan 57 Ss Ketch's comfort ratio?

The Swan 57 Ss Ketch has a Ted Brewer Comfort Ratio of 39.16. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.

Is the Swan 57 Ss Ketch safe for offshore sailing?

The Swan 57 Ss Ketch has a Capsize Screening Formula value of 1.73. Values under 2.0 are considered acceptable for offshore sailing; under 1.8 is ideal.

What is the hull speed of the Swan 57 Ss Ketch?

The theoretical hull speed of the Swan 57 Ss Ketch is 9.07 knots, calculated from its waterline length.

How much does a Swan 57 Ss Ketch weigh?

The Swan 57 Ss Ketch has a displacement of 49,500.00 lb and a length overall (LOA) of 57.41 ft.

Who designed the Swan 57 Ss Ketch?

The Swan 57 Ss Ketch was designed by Sparkman & Stephens, first built in 1977.