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Alacrity 19
Designer: Peter Stevenson  ·  Builder: Russell Marine Ltd. /Hurley Marine Ltd.  ·  First built: 1960
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About the Alacrity 19

Built for sailors seeking an accessible yet capable small boat experience, this 19-foot design represents a thoughtful approach to compact sailing. The Alacrity 19 emerged during an era when boat builders focused on creating affordable vessels that didn't compromise on sailing performance, making it an attractive option for newcomers to the sport as well as experienced sailors wanting a manageable day sailor. With its moderate proportions, this boat strikes a balance between stability and responsiveness that suits coastal and protected water sailing particularly well. The design prioritizes ease of handling, making it an excellent choice for single-handed sailing or teaching new crew members the fundamentals. Its size makes launching and retrieving straightforward at most ramps, while still providing enough cockpit space for a small crew to sail comfortably. The boat's reputation centers on being forgiving and predictable, qualities that build confidence in developing sailors while still offering enough performance to keep things interesting. For those exploring lakes, bays, and nearshore coastal areas, the Alacrity 19 provides a solid platform that emphasizes the pure enjoyment of sailing without overwhelming complexity or maintenance demands.

Core Dimensions
LOA (Length Overall) 18.50 ft / 5.64 m
LWL (Waterline Length) 17.00 ft / 5.18 m
Beam 6.92 ft / 2.11 m
Max Draft 1.82 ft / 0.55 m
Displacement 1,500.00 lb / 680 kg
Ballast 480.00 lb / 218 kg
Design & Construction
Hull Type Twin Keel
Rigging Type Masthead Sloop
Construction Wood/FG
Designer Peter Stevenson
Builder Russell Marine Ltd. /Hurley Marine Ltd.
First Built 1960
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Performance Ratios
Ballast/Displacement Ballast to Displacement ratio shows what percentage of the boat's total weight is ballast. Higher values generally mean better initial stability and stiffer sail carrying.
30–35% — Typical cruiser35–45% — Stiff performance boatOver 45% — Racing oriented
32.0
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
136.3
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. 2.52 pounds/inch
Rig Dimensions
I (Foretriangle Height) 19.33
J (Foretriangle Base) 6.20 ft / 1.89 m
P (Mainsail Luff) 158.00 ft² / 14.68 m²
E (Mainsail Foot) 136.30
How It Compares

vs. Macgregor 19, Mirror Offshore Mk I, Sunstar 18

This boat Similar boats
Dimensions
LOA
Alacrity 19 ★
18.5 ft
Macgregor 19
18.8 ft
Mirror Offshore Mk I
18.9 ft
Sunstar 18
18.3 ft
LWL
Alacrity 19 ★
17.0 ft
Macgregor 19
17.0 ft
Mirror Offshore Mk I
15.8 ft
Sunstar 18
16.2 ft
Beam
Alacrity 19 ★
6.9 ft
Macgregor 19
7.4 ft
Mirror Offshore Mk I
6.7 ft
Sunstar 18
9.5 ft
Displacement
Alacrity 19 ★
1 lbs
Macgregor 19
2 lbs
Mirror Offshore Mk I
1 lbs
Sunstar 18
1 lbs
Ballast
Alacrity 19 ★
480 lbs
Macgregor 19
800 lbs
Mirror Offshore Mk I
380 lbs
Sunstar 18
699 lbs
Performance
Ballast / Disp (higher = stiffer)
Alacrity 19 ★
32.0 %
Macgregor 19
39.0 %
Mirror Offshore Mk I
21.1 %
Sunstar 18
Displacement / Length (lower = lighter)
Alacrity 19 ★
136
Macgregor 19
186
Mirror Offshore Mk I
205
Sunstar 18
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