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Heron
Designer: Jack Holt  ·  Builder: Anglo Marine (Uk)  ·  First built: 1950
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About the Heron

Designed by the renowned Jack Holt in 1950, this classic British dinghy has earned its place as one of the most successful small boat designs ever created, with over 10,000 hulls built worldwide. The Heron's compact 11.25-foot length and moderate 4.50-foot beam make it an ideal choice for youth sailing programs, sailing schools, and recreational sailors seeking an affordable entry into the sport. The boat's centerboard configuration and manageable 70 square feet of sail area provide excellent stability and control for novice sailors, while the traditional gunter rig offers simplicity in rigging and maintenance. With a displacement of just 140 pounds, the Heron is easily car-topped and launched single-handedly, making it perfect for exploring protected waters, small lakes, and gentle coastal areas. Construction typically features marine plywood or fiberglass, ensuring durability while keeping costs reasonable. The design's forgiving nature and predictable handling characteristics have made it a staple in sailing clubs across Europe and beyond. While not suited for rough water or offshore sailing, the Heron excels in light to moderate conditions and remains an excellent platform for learning fundamental sailing skills or enjoying relaxed recreational sailing.

Core Dimensions
LOA (Length Overall) 11.25 ft / 3.43 m
Beam 4.50 ft / 1.37 m
Max Draft 2.82 ft / 0.86 m
Displacement 140.00 lb / 64 kg
Sail Area (Reported) 70.00 ft² / 6.50 m²
Design & Construction
Hull Type Centerboard Dinghy
Rigging Type Gunter
Construction Plywood/FG
Designer Jack Holt
Builder Anglo Marine (UK)
First Built 1950
Number Built 10000
Associations Heron Dinghy Class Association
Related Sailboats Weasel · Penguin · Firefly · Cape Dory 10 · Howmar 12
Owner Reviews

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Performance Ratios
SA/Displacement Sail Area to Displacement ratio measures how much sail power a boat has relative to its weight. Higher values mean more performance and speed.
Under 14 — Heavy cruiser, slow14–18 — Cruising sailboat18–22 — Cruiser/racerOver 22 — Performance racer
41.56
Displacement/Length Displacement to Length ratio measures how heavy a boat is relative to its waterline length. Lower values mean a lighter, faster boat.
Under 100 — Ultralight racer100–200 — Light cruiser/racer200–300 — Moderate cruiser300–400 — Heavy cruiserOver 400 — Very heavy
71.48
Comfort Ratio Ted Brewer's Comfort Ratio predicts how comfortable a boat will feel in offshore conditions. Higher values mean a steadier, more comfortable motion in a seaway.
Under 20 — Uncomfortably rough20–30 — Acceptable coastal30–40 — Good offshore comfortOver 40 — Very comfortable offshore
2.88
Hull Speed Hull Speed is the theoretical maximum speed of a displacement hull, calculated from waterline length. Most cruising sailboats reach this speed in moderate conditions. 4.14 kn
Pounds/Inch Immersion Pounds per Inch Immersion (PPI) tells you how much weight is needed to sink the boat one inch. Useful for calculating how additional gear and stores affect waterline. 0.92 pounds/inch
How It Compares

vs. Cape Dory 10, Firefly, Howmar 12, Penguin, Weasel

This boat Similar boats
Dimensions
LOA
Heron ★
11.3 ft
Cape Dory 10
10.5 ft
Firefly
12.0 ft
Howmar 12
12.2 ft
Penguin
11.4 ft
Weasel
11.3 ft
LWL
Heron ★
Cape Dory 10
10.0 ft
Firefly
11.8 ft
Howmar 12
10.4 ft
Penguin
Weasel
10.0 ft
Beam
Heron ★
4.5 ft
Cape Dory 10
4.1 ft
Firefly
4.7 ft
Howmar 12
5.0 ft
Penguin
4.7 ft
Weasel
5.5 ft
Displacement
Heron ★
140 lbs
Cape Dory 10
150 lbs
Firefly
260 lbs
Howmar 12
175 lbs
Penguin
140 lbs
Weasel
160 lbs
Sail Area
Heron ★
70 sq ft
Cape Dory 10
68 sq ft
Firefly
Howmar 12
90 sq ft
Penguin
Weasel
Performance
SA / Displacement (higher = more powerful)
Heron ★
41.6
Cape Dory 10
38.6
Firefly
Howmar 12
46.1
Penguin
Weasel
Comfort Ratio (higher = more comfortable offshore)
Heron ★
2.9
Cape Dory 10
3.5
Firefly
Howmar 12
2.9
Penguin
2.7
Weasel
Capsize Screening (lower = safer)
Heron ★
Cape Dory 10
3.07
Firefly
Howmar 12
3.58
Penguin
Weasel
Displacement / Length (lower = lighter)
Heron ★
71
Cape Dory 10
66
Firefly
71
Howmar 12
69
Penguin
68
Weasel
71
Hull Speed
Heron ★
4.1 kts
Cape Dory 10
4.2 kts
Firefly
Howmar 12
4.3 kts
Penguin
4.2 kts
Weasel
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