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Sailboat Specifications

Sunstar 18

Masthead Sloop · Twin Keel

Designed by Arthur Howard · Built by Sun Yachts Ltd. · First built 1977

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LOA 18.27 ft  ·  Beam 9.51 ft  ·  Displacement 1,592.00 lb  ·  Sail Area 154.00 ft²  ·  Masthead Sloop  ·  Twin Keel
About the Sunstar 18 Sailboat

Compact, nimble, and approachable, the Sunstar 18 is a small sailboat well suited to sailors looking for an accessible entry point into the sport or a low-maintenance vessel for casual day sailing on inland lakes, bays, and protected coastal waters. Its modest size makes it easy to trailer, launch, and handle with a small crew or even solo, which has always been part of the appeal for budget-conscious sailors and those with limited marina access. While detailed specifications for the Sunstar 18 are limited in available records, boats of this size and class typically reward lighter-air sailing and forgiving handling characteristics, making them a practical choice for beginners building confidence or experienced sailors seeking a simple, relaxed time on the water. The design prioritizes ease of use over performance extremes, placing it firmly in the recreational day sailing category rather than competitive racing circuits. For anyone considering a first boat or a second vessel for relaxed weekend outings, the Sunstar 18 represents an unpretentious and practical option worth investigating further through owner communities and hands-on inspection.

Dimensions & Specifications
LOA (Length Overall) 18.27 ft / 5.57 m
LWL (Waterline Length) 16.24 ft / 4.95 m
Beam 9.51 ft / 2.90 m
Max Draft 2.36 ft / 0.72 m
Displacement 1,592.00 lb / 722 kg
Ballast 699.00 lb / 317 kg
Sail Area (Reported) 154.00 ft² / 14.31 m²
Design & Construction
Hull Type Twin Keel
Rigging Type Masthead Sloop
Construction FG
Designer Arthur Howard
Builder Sun Yachts Ltd.
First Built 1977
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Frequently Asked Questions

What is the Sunstar 18's sail area to displacement ratio?

The Sunstar 18 has a Sail Area to Displacement ratio (SA/D) of 18.11. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.

What is the Sunstar 18's comfort ratio?

The Sunstar 18 has a Ted Brewer Comfort Ratio of 7.27. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.

Is the Sunstar 18 safe for offshore sailing?

The Sunstar 18 has a Capsize Screening Formula value of 3.26. Values under 2.0 are considered acceptable for offshore sailing; under 1.8 is ideal.

What is the hull speed of the Sunstar 18?

The theoretical hull speed of the Sunstar 18 is 5.4 knots, calculated from its waterline length.

How much does a Sunstar 18 weigh?

The Sunstar 18 has a displacement of 1,592.00 lb and a length overall (LOA) of 18.27 ft.

Who designed the Sunstar 18?

The Sunstar 18 was designed by Arthur Howard, first built in 1977.