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Sailboat Specifications

Sovereign 20

Masthead Sloop · Fin (Shoal Draft)

Designed by Helsen/Sovereign Design Group · Built by Custom Fiberglass Products (Usa) · First built 1982

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LOA 20.00 ft  ·  Beam 7.17 ft  ·  Displacement 1,700.00 lb  ·  Sail Area 189.00 ft²  ·  Masthead Sloop  ·  Fin (Shoal Draft)
About the Sovereign 20 Sailboat

Built by Custom Fiberglass Products from 1982 to 1996, this compact cruiser represents a thoughtful approach to small boat design by the Helsen/Sovereign Design Group. At 20 feet overall with a 17-foot waterline, the Sovereign 20 maximizes interior space while maintaining trailerable dimensions for weekend adventurers and coastal cruisers. The fiberglass construction features a fin keel with shoal draft characteristics, drawing just 2 feet while carrying 600 pounds of ballast in its 1,700-pound displacement. This configuration makes the boat ideal for exploring shallow waters, coastal cruising, and gunkholing in areas where deeper-draft vessels cannot venture. The masthead sloop rig provides 189 square feet of working sail area, delivering respectable performance with a theoretical hull speed of 5.52 knots. With a comfort ratio of 10.64, the Sovereign 20 leans toward the sporty side of the spectrum, offering lively sailing characteristics rather than heavy-weather stability. The capsize screening formula of 2.41 suggests reasonable stability for coastal waters. This boat appeals to sailors seeking an affordable entry into cruising or those wanting a manageable weekend cruiser that can be easily trailered and launched at various locations.

Dimensions & Specifications
LOA (Length Overall) 20.00 ft / 6.10 m
LWL (Waterline Length) 17.00 ft / 5.18 m
Beam 7.17 ft / 2.19 m
Max Draft 2.00 ft / 0.61 m
Displacement 1,700.00 lb / 771 kg
Ballast 600.00 lb / 272 kg
Sail Area (Reported) 189.00 ft² / 17.56 m²
Design & Construction
Hull Type Fin (shoal draft)
Rigging Type Masthead Sloop
Construction FG
Designer Helsen/Sovereign Design Group
Builder Custom Fiberglass Products (USA)
First Built 1982
Last Built 1996
Related Sailboats Cal 20 · Ranger 20 · Ensenada 20 · Harbor 20 · Balboa 20
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Frequently Asked Questions

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

The Sovereign 20 has a Sail Area to Displacement ratio (SA/D) of 21.28. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.

What is the Sovereign 20's comfort ratio?

The Sovereign 20 has a Ted Brewer Comfort Ratio of 10.64. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.

Is the Sovereign 20 safe for offshore sailing?

The Sovereign 20 has a Capsize Screening Formula value of 2.41. Values under 2.0 are considered acceptable for offshore sailing; under 1.8 is ideal.

What is the hull speed of the Sovereign 20?

The theoretical hull speed of the Sovereign 20 is 5.52 kn knots, calculated from its waterline length.

How much does a Sovereign 20 weigh?

The Sovereign 20 has a displacement of 1,700.00 lb and a length overall (LOA) of 20.00 ft.

Who designed the Sovereign 20?

The Sovereign 20 was designed by Helsen/Sovereign Design Group, first built in 1982.