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Sailboat Specifications

San Juan 77

Fractional Sloop · Fin W/Spade Rudder

Designed by Don Clark · Built by Clark Boat Co. · First built 1979

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LOA 25.75 ft  ·  Beam 9.50 ft  ·  Displacement 3,200.00 lb  ·  Sail Area 304.00 ft²  ·  Fractional Sloop  ·  Fin W/Spade Rudder
About the San Juan 77 Sailboat

Bearing the name of one of America's most celebrated sailing regions, the San Juan 77 is a sizeable performance cruiser designed to handle ambitious passages with confidence. Built by San Juan Sailboats, a Pacific Northwest manufacturer that earned a loyal following for producing capable and well-priced vessels, this boat sits at the larger end of the San Juan lineup and reflects the brand's commitment to blending offshore capability with accessible sailing. With a hull designed for both stability and speed, the San Juan 77 suits sailors looking to take on coastal cruising and extended bluewater adventures alike. San Juan Sailboats built a reputation throughout the latter half of the twentieth century for crafting boats that rewarded attentive sailors without demanding expert-level crews, making their designs popular among families and liveaboards as well as serious passage-makers. While detailed specifications for this model are limited, its standing within the San Juan range suggests a roomy, seaworthy design with practical offshore characteristics. Prospective buyers would benefit from a thorough survey and direct comparison with similar bluewater cruisers of the era to fully assess its capabilities and condition.

Market Price Estimate Beta
Small sample size. This estimate is based on fewer than 5 listings and may not be representative of the true market. Use with caution.
$2,000 – $2,000
typical asking price
Median $2,000  ·  1 listing used
All listings
$2,000 – $2,000 1
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Dimensions & Specifications
LOA (Length Overall) 25.75 ft / 7.85 m
LWL (Waterline Length) 20.00 ft / 6.10 m
Beam 9.50 ft / 2.90 m
Max Draft 4.00 ft / 1.22 m
Displacement 3,200.00 lb / 1,451 kg
Ballast 1,100.00 lb / 499 kg
Sail Area (Reported) 304.00 ft² / 28.24 m²
Design & Construction
Hull Type Fin w/spade rudder
Rigging Type Fractional Sloop
Construction FG
Designer Don Clark
Builder Clark Boat Co.
First Built 1979
Related Sailboats Seafarer 26 · Ericson 26 2 · Oday 26 · Columbia T 26 · Islander 26
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Frequently Asked Questions

What is the San Juan 77's sail area to displacement ratio?

The San Juan 77 has a Sail Area to Displacement ratio (SA/D) of 22.46. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.

What is the San Juan 77's comfort ratio?

The San Juan 77 has a Ted Brewer Comfort Ratio of 11.35. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.

Is the San Juan 77 safe for offshore sailing?

The San Juan 77 has a Capsize Screening Formula value of 2.58. Values under 2.0 are considered acceptable for offshore sailing; under 1.8 is ideal.

What is the hull speed of the San Juan 77?

The theoretical hull speed of the San Juan 77 is 5.99 knots, calculated from its waterline length.

How much does a San Juan 77 weigh?

The San Juan 77 has a displacement of 3,200.00 lb and a length overall (LOA) of 25.75 ft.

How much does a used San Juan 77 cost?

Based on 1 recent market listings, used San Juan 77 sailboats typically sell for between $2,000 and $2,000, with a median asking price of $2,000. Price varies significantly based on year, condition, location, and included equipment.

Who designed the San Juan 77?

The San Juan 77 was designed by Don Clark, first built in 1979.