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Sailboat Specifications

J/24

Masthead Sloop · Fin W/Spade Rudder

Designed by Rod Johnstone · First built 1977

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LOA 24.00 ft  ·  Beam 8.92 ft  ·  Displacement 3,100 lb  ·  Sail Area 261 ft²  ·  Masthead Sloop  ·  Fin W/Spade Rudder
About the J/24 Sailboat

Few sailboats have left a mark on the racing world quite like the J/24. Designed by Rod Johnstone and first launched in 1977, this compact masthead sloop went on to become one of the most successfully produced fiberglass sailboats in history, with over 5,500 hulls built worldwide. That remarkable number speaks to a design that struck the perfect balance between affordability, performance, and class racing appeal. Built around a fin keel and spade rudder hull, the J/24 is an aggressively sporty one-design racer that thrives in buoy racing and inshore competitive sailing. Its generous sail area relative to displacement gives it a lively, responsive character that rewards skilled sailors and offers plenty for newcomers to learn from. The active one-design racing class remains one of the most competitive and well-organized in the world, making it an excellent choice for sailors looking to sharpen their racing skills. While the comfort ratio reflects its no-frills racing orientation rather than bluewater cruising comfort, the J/24 is well-suited for day sailing and coastal adventures. For those drawn to competitive class racing with a passionate community behind it, the J/24 remains a compelling and enduring choice.

Market Price Estimate Beta
Small sample size. This estimate is based on fewer than 5 listings and may not be representative of the true market. Use with caution.
$4,900 – $9,500
typical asking price
Median $7,900  ·  3 listings used
All listings
$4,900 – $9,500 3
About this estimate ▾
Dimensions & Specifications
LOA (Length Overall) 24.00 ft / 7.32 m
LWL (Waterline Length) 20.00 ft / 6.10 m
Beam 8.92 ft / 2.72 m
Max Draft 4.00 ft / 1.22 m
Displacement 3,100 lb / 1,406 kg
Ballast 950 lb / 431 kg
Sail Area (Reported) 261 ft² / 24.25 m²
Design & Construction
Hull Type Fin w/spade rudder
Rigging Type Masthead Sloop
Construction FG
Designer Rod Johnstone
First Built 1977
Number Built 5500
Related Sailboats Melges 24 · San Juan 24 · Cal 2 24 · Wavelength 24 · Neptune 24 Cb
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Frequently Asked Questions

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

The J/24 has a Sail Area to Displacement ratio (SA/D) of 22.96. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.

What is the J/24's comfort ratio?

The J/24 has a Ted Brewer Comfort Ratio of 17.87. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.

Is the J/24 safe for offshore sailing?

The J/24 has a Capsize Screening Formula value of 1.79. Values under 2.0 are considered acceptable for offshore sailing; under 1.8 is ideal.

What is the hull speed of the J/24?

The theoretical hull speed of the J/24 is 6.43 knots, calculated from its waterline length.

How much does a J/24 weigh?

The J/24 has a displacement of 3,100 lb and a length overall (LOA) of 24.00 ft.

How much does a used J/24 cost?

Based on 3 recent market listings, used J/24 sailboats typically sell for between $4,900 and $9,500, with a median asking price of $7,900. Price varies significantly based on year, condition, location, and included equipment.

Who designed the J/24?

The J/24 was designed by Rod Johnstone, first built in 1977.