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Sailboat Specifications

Gulf Coast 20

Fractional Sloop · Swing Keel

Designed by Martin Bludworth · Built by Gulf Coast Sailboats (Usa) · First built 1967

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LOA 19.92 ft  ·  Beam 6.92 ft  ·  Displacement 1,400.00 lb  ·  Sail Area 173  ·  Fractional Sloop  ·  Swing Keel
About the Gulf Coast 20 Sailboat

Despite limited documentation, this compact sailboat represents an intriguing entry in the small cruiser category from a builder that focused on practical, affordable designs. Gulf Coast Marine developed a reputation for creating boats that prioritized functionality over flash, making sailing accessible to budget-conscious sailors seeking genuine offshore capability in a trailerable package. The design philosophy behind this model appears centered on maximizing interior volume while maintaining seaworthy proportions. Small boat naval architecture from this era often emphasized heavy displacement and conservative sail plans, characteristics that typically translate to steady, predictable sailing behavior even when conditions deteriorate. For potential owners, this boat likely offers excellent coastal cruising capabilities with occasional offshore potential, assuming proper seamanship and weather awareness. The compact size makes single-handed sailing manageable while still providing enough space for weekend adventures with crew. Maintenance costs remain reasonable compared to larger vessels, and the trailer-sailer format opens up cruising grounds far beyond your home marina. While specific performance data remains elusive, boats of this size and vintage typically reward patient sailors who appreciate traditional sailing qualities over pure speed, making this an appealing choice for those seeking authentic sailing experiences without breaking the bank.

Dimensions & Specifications
LOA (Length Overall) 19.92 ft / 6.07 m
LWL (Waterline Length) 15.94 ft / 4.86 m
Beam 6.92 ft / 2.11 m
Max Draft 4.00 ft / 1.22 m
Min Draft 1.33
Displacement 1,400.00 lb / 635 kg
Ballast 400.00 lb / 181 kg
Sail Area (Reported) 173
Design & Construction
Hull Type Swing Keel
Rigging Type Fractional Sloop
Construction FG
Designer Martin Bludworth
Builder Gulf Coast Sailboats (USA)
First Built 1967
Last Built 1975
Related Sailboats Cal 20 · Balboa 20 · Ensenada 20 · Hurley 20 · Ranger 20
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Frequently Asked Questions

What is the Gulf Coast 20's sail area to displacement ratio?

The Gulf Coast 20 has a Sail Area to Displacement ratio (SA/D) of 22.16. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.

What is the Gulf Coast 20's comfort ratio?

The Gulf Coast 20 has a Ted Brewer Comfort Ratio of 9.59. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.

Is the Gulf Coast 20 safe for offshore sailing?

The Gulf Coast 20 has a Capsize Screening Formula value of 2.48. Values under 2.0 are considered acceptable for offshore sailing; under 1.8 is ideal.

What is the hull speed of the Gulf Coast 20?

The theoretical hull speed of the Gulf Coast 20 is 5.35 knots, calculated from its waterline length.

How much does a Gulf Coast 20 weigh?

The Gulf Coast 20 has a displacement of 1,400.00 lb and a length overall (LOA) of 19.92 ft.

Who designed the Gulf Coast 20?

The Gulf Coast 20 was designed by Martin Bludworth, first built in 1967.