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Sailboat Specifications

Seawolf 26

Fractional Sloop · Twin Keel

Designed by David Feltham · Built by Seawolf Yachts Ltd. · First built 1978

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LOA 26.08 ft  ·  Beam 9.50 ft  ·  Displacement 5,250.00 lb  ·  Sail Area 315.00 ft²  ·  Fractional Sloop  ·  Twin Keel
About the Seawolf 26 Sailboat

Designed by David Feltham and built by Seawolf Yachts Ltd. starting in 1978, this compact cruiser represents a thoughtful approach to shallow-water sailing with its distinctive twin keel configuration. With only 50 hulls produced, the Seawolf 26 remains a relatively rare find that offers unique advantages for coastal exploration and estuary sailing. The twin keel design allows the boat to sit upright when dried out, making it ideal for areas with significant tidal range or shallow anchorages where traditional deep-draft boats cannot venture. This characteristic, combined with the modest 3-foot draft, opens up countless creeks, harbors, and beaches that remain inaccessible to most sailboats of similar size. At 26 feet overall with a fractional sloop rig carrying 315 square feet of sail, this fiberglass construction yacht strikes a practical balance between performance and ease of handling. The comfort ratio of 18.24 suggests a relatively stiff, quick motion that favors day sailing and coastal passages rather than extended offshore voyaging. The substantial ballast-to-displacement ratio provides good stability despite the shoal draft configuration. Best suited for coastal cruising, weekend sailing, and exploration of shallow waters, the Seawolf 26 appeals to sailors seeking adventure in areas where conventional keelboats fear to tread.

Dimensions & Specifications
LOA (Length Overall) 26.08 ft / 7.95 m
LWL (Waterline Length) 20.50 ft / 6.25 m
Beam 9.50 ft / 2.90 m
Max Draft 3.00 ft / 0.91 m
Displacement 5,250.00 lb / 2,381 kg
Ballast 2,240.00 lb / 1,016 kg
Sail Area (Reported) 315.00 ft² / 29.26 m²
Design & Construction
Hull Type Twin Keel
Rigging Type Fractional Sloop
Construction FG
Designer David Feltham
Builder Seawolf Yachts Ltd.
First Built 1978
Number Built 50
Associations Cobra and Seawolf Owners Association
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Engine & Accommodations
Engine Make Volvo Penta
Engine Model 2001
Engine Type Diesel
Horsepower 7.5
Fuel Capacity 10 gals / 38 L
Water Capacity 20 gals / 76 L
Frequently Asked Questions

What is the Seawolf 26's sail area to displacement ratio?

The Seawolf 26 has a Sail Area to Displacement ratio (SA/D) of 16.73. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.

What is the Seawolf 26's comfort ratio?

The Seawolf 26 has a Ted Brewer Comfort Ratio of 18.24. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.

Is the Seawolf 26 safe for offshore sailing?

The Seawolf 26 has a Capsize Screening Formula value of 2.19. Values under 2.0 are considered acceptable for offshore sailing; under 1.8 is ideal.

What is the hull speed of the Seawolf 26?

The theoretical hull speed of the Seawolf 26 is 6.07 kn knots, calculated from its waterline length.

How much does a Seawolf 26 weigh?

The Seawolf 26 has a displacement of 5,250.00 lb and a length overall (LOA) of 26.08 ft.

Who designed the Seawolf 26?

The Seawolf 26 was designed by David Feltham, first built in 1978.