Home/ Boats/ Cooper Enterprises (Can)/ Sea Bird 37 Ms
Sailboat Specifications

Sea Bird 37 Ms

Masthead Sloop · Long Keel

Designed by Huntingford/Hardin/Cooper · Built by Cooper Enterprises (Can) · First built 1973

+ Add to Compare
LOA 36.75 ft  ·  Beam 11.50 ft  ·  Displacement 18,000.00 lb  ·  Sail Area 560.00 ft²  ·  Masthead Sloop  ·  Long Keel
About the Sea Bird 37 Ms Sailboat

Designed by the collaborative team of Huntingford, Hardin, and Cooper in the early 1970s, this Canadian-built cruiser represents solid traditional sailboat design from an era when seaworthiness took precedence over racing performance. Built by Cooper Enterprises beginning in 1973, the Sea Bird 37 Ms features classic long keel construction that provides excellent directional stability and predictable handling characteristics. With her moderate beam and traditional proportions, this masthead sloop offers comfortable cruising accommodations while maintaining respectable sailing performance. The long keel configuration, while not providing the upwind performance of modern fin keel designs, delivers the kind of steady, forgiving sailing characteristics that make for confident coastal and offshore passages. Her substantial displacement and healthy ballast ratio contribute to a stiff, seakindly motion in challenging conditions. The fiberglass construction and robust build quality typical of Canadian yards from this period have helped many Sea Bird 37s remain active decades after launch. Her moderate sail area and traditional rig make her manageable for small crews, while the deep cockpit and solid construction inspire confidence for extended coastal cruising. This design appeals particularly to sailors seeking a traditional cruising experience with proven seaworthiness over cutting-edge performance.

Dimensions & Specifications
LOA (Length Overall) 36.75 ft / 11.20 m
LWL (Waterline Length) 32.50 ft / 9.91 m
Beam 11.50 ft / 3.51 m
Max Draft 4.00 ft / 1.22 m
Displacement 18,000.00 lb / 8,165 kg
Ballast 6,000.00 lb / 2,722 kg
Sail Area (Reported) 560.00 ft² / 52.03 m²
Design & Construction
Hull Type Long Keel
Rigging Type Masthead Sloop
Construction FG
Designer Huntingford/Hardin/Cooper
Builder Cooper Enterprises (CAN)
First Built 1973
Related Sailboats Tayana 37 · Pacific Seacraft 37 · Pearson 36 · Union 36 · Ct 37
Owner Reviews

No owner reviews yet — be the first to share your experience with this boat.

Engine & Accommodations
Engine Make Perkins
Engine Type Diesel
Horsepower 50
Fuel Capacity 100 gals / 379 L
Water Capacity 100 gals / 379 L
Frequently Asked Questions

What is the Sea Bird 37 Ms's sail area to displacement ratio?

The Sea Bird 37 Ms has a Sail Area to Displacement ratio (SA/D) of 13.09. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.

What is the Sea Bird 37 Ms's comfort ratio?

The Sea Bird 37 Ms has a Ted Brewer Comfort Ratio of 31.84. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.

Is the Sea Bird 37 Ms safe for offshore sailing?

The Sea Bird 37 Ms has a Capsize Screening Formula value of 1.76. Values under 2.0 are considered acceptable for offshore sailing; under 1.8 is ideal.

What is the hull speed of the Sea Bird 37 Ms?

The theoretical hull speed of the Sea Bird 37 Ms is 7.64 kn knots, calculated from its waterline length.

How much does a Sea Bird 37 Ms weigh?

The Sea Bird 37 Ms has a displacement of 18,000.00 lb and a length overall (LOA) of 36.75 ft.

Who designed the Sea Bird 37 Ms?

The Sea Bird 37 Ms was designed by Huntingford/Hardin/Cooper, first built in 1973.