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Sailboat Specifications

Islander 24

Masthead Sloop · Modified Full Keel

Designed by J. H. Mcglasson · Built by Glas Laminates/Mcglasson Marine/Islander Yachts (Usa) · First built 1961

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LOA 24.00 ft  ·  Beam 7.83 ft  ·  Displacement 3,300.00 lb  ·  Sail Area 294.00 ft²  ·  Masthead Sloop  ·  Modified Full Keel
About the Islander 24 Sailboat

Built during the 1960s sailing boom, this compact cruiser emerged from the drawing board of J. H. McGlasson as a pocket-sized offshore capable yacht. The Islander 24's modified full keel design provides excellent tracking and seakeeping abilities, making it well-suited for coastal cruising and weekend adventures where comfort and stability matter more than pure speed. With a substantial displacement of 3,300 pounds and generous ballast ratio, this masthead sloop offers reassuring stability in varied conditions. The traditional full keel configuration, while limiting maneuverability in tight quarters, rewards sailors with predictable handling and the ability to track straight on longer passages. Her moderate sail area keeps the boat manageable for small crews while still providing respectable performance. McGlasson's design philosophy emphasized seaworthiness over racing potential, evident in the boat's conservative proportions and robust construction. The fiberglass hull, built by various manufacturers including Glas Laminates and Islander Yachts, has proven durable over the decades. While production ended in 1967, these boats maintain a loyal following among sailors who appreciate traditional design values and proven offshore capability in a trailerable package. The Islander 24 represents classic 1960s yacht design, prioritizing comfort and safety for serious coastal cruising.

Dimensions & Specifications
LOA (Length Overall) 24.00 ft / 7.32 m
LWL (Waterline Length) 20.00 ft / 6.10 m
Beam 7.83 ft / 2.39 m
Max Draft 3.42 ft / 1.04 m
Displacement 3,300.00 lb / 1,497 kg
Ballast 1,700.00 lb / 771 kg
Ballast Type Lead
Sail Area (Reported) 294.00 ft² / 27.31 m²
Design & Construction
Hull Type Modified Full Keel
Rigging Type Masthead Sloop
Construction FG
Designer J. H. McGlasson
Builder Glas Laminates/McGlasson Marine/Islander Yachts (USA)
First Built 1961
Last Built 1967
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Engine & Accommodations
Engine Type Outboard well
Water Capacity 25 gals / 95 L
Frequently Asked Questions

What is the Islander 24's sail area to displacement ratio?

The Islander 24 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 Islander 24's comfort ratio?

The Islander 24 has a Ted Brewer Comfort Ratio of 15.51. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.

Is the Islander 24 safe for offshore sailing?

The Islander 24 has a Capsize Screening Formula value of 2.11. Values under 2.0 are considered acceptable for offshore sailing; under 1.8 is ideal.

What is the hull speed of the Islander 24?

The theoretical hull speed of the Islander 24 is 5.99 kn knots, calculated from its waterline length.

How much does a Islander 24 weigh?

The Islander 24 has a displacement of 3,300.00 lb and a length overall (LOA) of 24.00 ft.

Who designed the Islander 24?

The Islander 24 was designed by J. H. Mcglasson, first built in 1961.