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Sailboat Specifications

Cape Cod 30

Masthead Sloop · Long Keel

Designed by Sidney Herreshoff · Built by Cape Cod Shipbuilding · First built 1961

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LOA 30.00 ft  ·  Beam 9.00 ft  ·  Displacement 7,000.00 lb  ·  Sail Area 438.00 ft²  ·  Masthead Sloop  ·  Long Keel
About the Cape Cod 30 Sailboat

Designed by Sidney Herreshoff and first launched in 1961, this classic coastal cruiser embodies traditional New England sailboat design principles. Cape Cod Shipbuilding created a vessel that prioritizes seaworthiness and comfort over pure performance, making it an excellent choice for leisurely coastal exploration and weekend cruising. The boat's long keel configuration provides exceptional tracking and directional stability, though it sacrifices some maneuverability in tight quarters. With a displacement of 7,000 pounds and moderate sail area, this masthead sloop offers predictable handling characteristics that inspire confidence in developing sailors. The 5-foot draft allows access to many harbors while providing adequate ballast for stability. Built with fiberglass construction, the Cape Cod 30 represents solid craftsmanship from an era when builders emphasized durability over weight savings. The comfort ratio of 22.98 indicates a motion that favors stability over speed, while the capsize screening value of 1.88 suggests good stability characteristics for coastal waters. This design suits sailors seeking a traditional cruising experience rather than racing performance. The boat excels in protected waters and moderate offshore conditions, offering a gentle introduction to larger boat handling while maintaining the charm of classic yacht design.

Dimensions & Specifications
LOA (Length Overall) 30.00 ft / 9.14 m
LWL (Waterline Length) 23.17 ft / 7.06 m
Beam 9.00 ft / 2.74 m
Max Draft 5.00 ft / 1.52 m
Displacement 7,000.00 lb / 3,175 kg
Sail Area (Reported) 438.00 ft² / 40.69 m²
Design & Construction
Hull Type Long Keel
Rigging Type Masthead Sloop
Construction FG
Designer Sidney Herreshoff
Builder Cape Cod Shipbuilding
First Built 1961
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Frequently Asked Questions

What is the Cape Cod 30's sail area to displacement ratio?

The Cape Cod 30 has a Sail Area to Displacement ratio (SA/D) of 19.21. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.

What is the Cape Cod 30's comfort ratio?

The Cape Cod 30 has a Ted Brewer Comfort Ratio of 22.98. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.

Is the Cape Cod 30 safe for offshore sailing?

The Cape Cod 30 has a Capsize Screening Formula value of 1.88. Values under 2.0 are considered acceptable for offshore sailing; under 1.8 is ideal.

What is the hull speed of the Cape Cod 30?

The theoretical hull speed of the Cape Cod 30 is 6.45 kn knots, calculated from its waterline length.

How much does a Cape Cod 30 weigh?

The Cape Cod 30 has a displacement of 7,000.00 lb and a length overall (LOA) of 30.00 ft.

Who designed the Cape Cod 30?

The Cape Cod 30 was designed by Sidney Herreshoff, first built in 1961.