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Sailboat Specifications

Swan 37

Masthead Sloop · Fin With Rudder On Skeg

Designed by Sparkman & Stephens · Built by Nautor · First built 1970

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LOA 36.50 ft  ·  Beam 10.67 ft  ·  Displacement 15,400.00 lb  ·  Sail Area 598.00 ft²  ·  Masthead Sloop  ·  Fin With Rudder On Skeg
About the Swan 37 Sailboat

Designed by the legendary Sparkman & Stephens and built by Finland's prestigious Nautor yard, this classic 36.50-foot sloop represents the early evolution of the Swan lineage that would become synonymous with elegant performance cruising. Produced from 1970 to 1974 with just 59 hulls completed, the Swan 37 established many of the design principles that would define the marque for decades. The masthead sloop rig with 598 square feet of sail area and moderate displacement of 15,400 pounds creates a well-balanced platform equally suited for spirited coastal sailing and comfortable cruising. The fin keel with rudder on skeg configuration provides responsive handling while maintaining directional stability, particularly valuable for offshore passages. With nearly half her displacement (7,300 pounds) carried as ballast, she offers reassuring stability in challenging conditions. The fiberglass construction displays Nautor's renowned build quality, while the S&S design delivers the timeless aesthetic and seaworthy characteristics that made Swan's reputation. Her 33.86 comfort ratio suggests good motion at sea, while the 1.72 capsize screening value indicates solid stability for extended cruising. This early Swan appeals to sailors seeking classic yacht character with proven offshore capability, representing an accessible entry into the distinguished Swan fleet.

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Dimensions & Specifications
LOA (Length Overall) 36.50 ft / 11.13 m
LWL (Waterline Length) 27.25 ft / 8.31 m
Beam 10.67 ft / 3.25 m
Max Draft 6.10 ft / 1.86 m
Displacement 15,400.00 lb / 6,985 kg
Ballast 7,300.00 lb / 3,311 kg
Sail Area (Reported) 598.00 ft² / 55.56 m²
Design & Construction
Hull Type Fin with rudder on skeg
Rigging Type Masthead Sloop
Construction FG
Designer Sparkman & Stephens
Builder Nautor
First Built 1970
Last Built 1974
Number Built 59
Associations One Ton Class
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Engine & Accommodations
Engine Make Volvo Penta
Engine Model MD2B
Engine Type Diesel
Horsepower 25
Fuel Capacity 26 gals / 98 L
Water Capacity 48 gals / 182 L
Frequently Asked Questions

What is the Swan 37's sail area to displacement ratio?

The Swan 37 has a Sail Area to Displacement ratio (SA/D) of 15.51. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.

What is the Swan 37's comfort ratio?

The Swan 37 has a Ted Brewer Comfort Ratio of 33.86. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.

Is the Swan 37 safe for offshore sailing?

The Swan 37 has a Capsize Screening Formula value of 1.72. Values under 2.0 are considered acceptable for offshore sailing; under 1.8 is ideal.

What is the hull speed of the Swan 37?

The theoretical hull speed of the Swan 37 is 7.00 kn knots, calculated from its waterline length.

How much does a Swan 37 weigh?

The Swan 37 has a displacement of 15,400.00 lb and a length overall (LOA) of 36.50 ft.

Who designed the Swan 37?

The Swan 37 was designed by Sparkman & Stephens, first built in 1970.