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Sailboat Specifications

Geary 18

Fractional Sloop · Centerboard Dinghy

Designed by L. E Ted Geary · Built by Blanchard Boat Co. (Usa) · First built 1928

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LOA 18.16 ft  ·  Beam 5.46 ft  ·  Displacement 525.00 lb  ·  Sail Area 200.00 ft²  ·  Fractional Sloop  ·  Centerboard Dinghy
About the Geary 18 Sailboat

Designed by the legendary L.E. Ted Geary in 1928, this classic 18-footer represents nearly a century of proven sailing performance. With 1500 boats built primarily by Blanchard Boat Company, the Geary 18 has established itself as a beloved centerboard dinghy that bridges the gap between spirited day sailing and competitive racing. The boat's fractional sloop rig and generous sail area-to-displacement ratio of 49.24 delivers impressive performance for its size, making it particularly well-suited for experienced sailors who appreciate responsive handling. Its 3.75-foot draft and centerboard configuration allow access to shallow waters while maintaining good upwind ability, perfect for exploring protected bays and coastal areas. Originally constructed in wood and later adapted to fiberglass, the Geary 18 showcases Ted Geary's renowned design philosophy of creating boats that are both fast and seaworthy. The relatively high capsize screening value of 2.71 suggests this is best suited for protected waters and experienced crews who can handle its spirited nature. This boat appeals to sailors seeking a classic design with modern performance characteristics, whether for club racing, sailing instruction, or simply enjoying the pure sailing experience that only a well-designed dinghy can provide.

Dimensions & Specifications
LOA (Length Overall) 18.16 ft / 5.54 m
Beam 5.46 ft / 1.66 m
Max Draft 3.75 ft / 1.14 m
Min Draft 1.92 ft / 0.59 m
Displacement 525.00 lb / 238 kg
Sail Area (Reported) 200.00 ft² / 18.58 m²
Design & Construction
Hull Type Centerboard Dinghy
Rigging Type Fractional Sloop
Construction Wood or FG
Designer L. E Ted Geary
Builder Blanchard Boat Co. (USA)
First Built 1928
Number Built 1500
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Frequently Asked Questions

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

The Geary 18 has a Sail Area to Displacement ratio (SA/D) of 49.24. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.

What is the Geary 18's comfort ratio?

The Geary 18 has a Ted Brewer Comfort Ratio of 5.17. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.

Is the Geary 18 safe for offshore sailing?

The Geary 18 has a Capsize Screening Formula value of 2.71. Values under 2.0 are considered acceptable for offshore sailing; under 1.8 is ideal.

What is the hull speed of the Geary 18?

The theoretical hull speed of the Geary 18 is 5.26 kn knots, calculated from its waterline length.

How much does a Geary 18 weigh?

The Geary 18 has a displacement of 525.00 lb and a length overall (LOA) of 18.16 ft.

Who designed the Geary 18?

The Geary 18 was designed by L. E Ted Geary, first built in 1928.