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Sailboat Specifications

Endurance 37

Cutter · Long Keel

Designed by Peter Ibold · Built by Freedom Yacht Inc. · First built 1974

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LOA 35.29 ft  ·  Beam 11.00 ft  ·  Displacement 18,000.00 lb  ·  Sail Area 663  ·  Cutter  ·  Long Keel
About the Endurance 37 Sailboat

With limited technical specifications publicly available, the Endurance 37 represents something of an enigma in the sailing world. This relative scarcity of detailed information suggests either a boutique production run or a design that never achieved widespread market penetration, making examples potentially rare finds for discerning sailors. Based on its 37-foot length, this sailboat would typically fall into the mid-range cruising category, suitable for coastal exploration and potentially extended passages depending on its construction and design philosophy. The "Endurance" name itself hints at a vessel conceived for durability and long-distance capability, suggesting the designers prioritized seaworthiness and comfort over pure speed. Without comprehensive specifications to reference, prospective buyers should focus their research on the builder's reputation and any available examples for hands-on inspection. The limited documentation could actually work in favor of serious cruising sailors seeking a lesser-known design that offers good value compared to more mainstream alternatives. For those drawn to unique vessels with character, the Endurance 37 might represent an intriguing option worthy of deeper investigation, particularly if the build quality and sailing characteristics align with their cruising ambitions.

Dimensions & Specifications
LOA (Length Overall) 35.29 ft / 10.76 m
LWL (Waterline Length) 26.67 ft / 8.13 m
Beam 11.00 ft / 3.35 m
Max Draft 5.00 ft / 1.52 m
Displacement 18,000.00 lb / 8,165 kg
Ballast 4,400.00 lb / 1,996 kg
Ballast Type Iron
Sail Area (Reported) 663
Design & Construction
Hull Type Long Keel
Rigging Type Cutter
Construction FG
Designer Peter Ibold
Builder Freedom Yacht Inc.
First Built 1974
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Engine & Accommodations
Horsepower 35
Fuel Capacity 72 gals / 273 L
Water Capacity 50 gals / 189 L
Frequently Asked Questions

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

The Endurance 37 has a Sail Area to Displacement ratio (SA/D) of 15.5. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.

What is the Endurance 37's comfort ratio?

The Endurance 37 has a Ted Brewer Comfort Ratio of 39. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.

Is the Endurance 37 safe for offshore sailing?

The Endurance 37 has a Capsize Screening Formula value of 1.68. Values under 2.0 are considered acceptable for offshore sailing; under 1.8 is ideal.

What is the hull speed of the Endurance 37?

The theoretical hull speed of the Endurance 37 is 6.92 knots, calculated from its waterline length.

How much does a Endurance 37 weigh?

The Endurance 37 has a displacement of 18,000.00 lb and a length overall (LOA) of 35.29 ft.

Who designed the Endurance 37?

The Endurance 37 was designed by Peter Ibold, first built in 1974.