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Sailboat Specifications

Mount Desert Island One Design

Fractional Sloop · Long Keel

Designed by Ralph E. Winslow · First built 1922

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LOA 21.57 ft  ·  Beam 6.67 ft  ·  Displacement 4,428.00 lb  ·  Sail Area 260.00 ft²  ·  Fractional Sloop  ·  Long Keel
About the Mount Desert Island One Design Sailboat

Originating from the scenic waters of Mount Desert Island off the coast of Maine, this classic one-design class carries with it the charm and tradition of New England sailing culture. Designed for competitive racing within a strict one-design format, every boat in the class is built to the same specifications, ensuring that race outcomes are determined by sailor skill rather than equipment advantages. The Mount Desert Island One Design is well suited to the sheltered coastal waters and island-dotted anchorages of its home region, where it has long served as a platform for spirited local racing among a dedicated fleet of enthusiasts. Like many regional one-design classes, its appeal lies in the tight-knit community it fosters and the consistency of competition it enables. For a prospective buyer, acquiring a boat in this class means joining an established local sailing community with shared knowledge, camaraderie, and access to organized racing. Those drawn to traditional New England sailing heritage and keenly competitive one-design racing will find this vessel a rewarding and characterful choice.

Dimensions & Specifications
LOA (Length Overall) 21.57 ft / 6.57 m
LWL (Waterline Length) 16.42 ft / 5.00 m
Beam 6.67 ft / 2.03 m
Max Draft 4.00 ft / 1.22 m
Displacement 4,428.00 lb / 2,009 kg
Ballast 1,700.00 lb / 771 kg
Sail Area (Reported) 260.00 ft² / 24.15 m²
Design & Construction
Hull Type Long Keel
Rigging Type Fractional Sloop
Construction Wood
Designer Ralph E. Winslow
First Built 1922
Related Sailboats Ballerina Ii · Four 21 · Kestrel 22 Jones Uk · Grondin · Cs 22
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Frequently Asked Questions

What is the Mount Desert Island One Design's sail area to displacement ratio?

The Mount Desert Island One Design has a Sail Area to Displacement ratio (SA/D) of 15.47. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.

What is the Mount Desert Island One Design's comfort ratio?

The Mount Desert Island One Design has a Ted Brewer Comfort Ratio of 30.39. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.

Is the Mount Desert Island One Design safe for offshore sailing?

The Mount Desert Island One Design has a Capsize Screening Formula value of 1.63. Values under 2.0 are considered acceptable for offshore sailing; under 1.8 is ideal.

What is the hull speed of the Mount Desert Island One Design?

The theoretical hull speed of the Mount Desert Island One Design is 5.43 knots, calculated from its waterline length.

How much does a Mount Desert Island One Design weigh?

The Mount Desert Island One Design has a displacement of 4,428.00 lb and a length overall (LOA) of 21.57 ft.

Who designed the Mount Desert Island One Design?

The Mount Desert Island One Design was designed by Ralph E. Winslow, first built in 1922.