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Halcyon 23
Designer: Alan Buchanan  ·  Builder: Offshore Yachts Ltd. (Uk)  ·  First built: 1967
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About the Halcyon 23

With limited documented specifications available, the Halcyon 23 represents one of the more elusive entries in the 23-foot sailboat category. This relative obscurity suggests either a limited production run or a regional builder that didn't achieve widespread market penetration during its era. Based on its 23-foot length designation, this boat would typically fall into the small cruiser or large daysailer category, making it potentially suitable for coastal sailing, weekend getaways, and smaller lake adventures. Boats of this size generally offer a compromise between trailerable convenience and enough interior volume for basic overnight accommodations. The scarcity of readily available information about the Halcyon 23 presents both challenges and opportunities for prospective buyers. While the lack of extensive documentation might indicate limited support networks or parts availability, it could also represent a hidden gem for sailors seeking something distinctive from mainstream production boats. Anyone considering a Halcyon 23 would be well-advised to conduct thorough research into the specific boat's construction quality, rigging condition, and maintenance history. The limited specification data available makes individual inspection and professional survey particularly crucial for making an informed purchasing decision in this case.

Core Dimensions
LOA (Length Overall) 22.75 ft / 6.93 m
LWL (Waterline Length) 18.67 ft / 5.69 m
Beam 7.50 ft / 2.29 m
Max Draft 2.25 ft / 0.69 m
Displacement 3,100.00 lb / 1,406 kg
Ballast 1,155.00 lb / 524 kg
Ballast Type Iron
Design & Construction
Hull Type Triple Keel
Rigging Type Masthead Sloop
Construction GRP
Designer Alan Buchanan
Builder Offshore Yachts Ltd. (UK)
First Built 1967
Number Built 1000
Owner Reviews

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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
37.26
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
212.66
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. 3.0 pounds/inch
Rig Dimensions
I (Foretriangle Height) 16.98
P (Mainsail Luff) 225.00 ft² / 20.90 m²
E (Mainsail Foot) Stuart-Turner
Engine & Accommodations
Fuel Capacity 10 gals / 38 L
Water Capacity 20 gals / 76 L
How It Compares

vs. Aloa 23, Aquarius 23, Islander 23 Crealock

This boat Similar boats
Dimensions
LOA
Halcyon 23 ★
22.8 ft
Aloa 23
23.0 ft
Aquarius 23
22.7 ft
Islander 23 Crealock
22.9 ft
LWL
Halcyon 23 ★
18.7 ft
Aloa 23
17.9 ft
Aquarius 23
21.2 ft
Islander 23 Crealock
20.3 ft
Beam
Halcyon 23 ★
7.5 ft
Aloa 23
8.0 ft
Aquarius 23
7.9 ft
Islander 23 Crealock
7.8 ft
Displacement
Halcyon 23 ★
3 lbs
Aloa 23
2 lbs
Aquarius 23
2 lbs
Islander 23 Crealock
1 lbs
Ballast
Halcyon 23 ★
1 lbs
Aloa 23
882 lbs
Aquarius 23
815 lbs
Islander 23 Crealock
380 lbs
Sail Area
Halcyon 23 ★
Aloa 23
178 sq ft
Aquarius 23
218 sq ft
Islander 23 Crealock
219 sq ft
Performance
SA / Displacement (higher = more powerful)
Halcyon 23 ★
Aloa 23
16.9
Aquarius 23
20.2
Islander 23 Crealock
28.1
Ballast / Disp (higher = stiffer)
Halcyon 23 ★
37.3 %
Aloa 23
Aquarius 23
35.8 %
Islander 23 Crealock
Comfort Ratio (higher = more comfortable offshore)
Halcyon 23 ★
Aloa 23
10.9
Aquarius 23
10.4
Islander 23 Crealock
6.7
Capsize Screening (lower = safer)
Halcyon 23 ★
Aloa 23
2.47
Aquarius 23
2.41
Islander 23 Crealock
2.77
Displacement / Length (lower = lighter)
Halcyon 23 ★
212
Aloa 23
Aquarius 23
107
Islander 23 Crealock
Hull Speed
Halcyon 23 ★
Aloa 23
5.7 kts
Aquarius 23
6.2 kts
Islander 23 Crealock
6.0 kts
Speed Number (higher = faster)
Halcyon 23 ★
Aloa 23
3.0
Aquarius 23
4.6
Islander 23 Crealock
6.6
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