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Viking 25
Designer: Cuthbertson & Cassian  ·  Builder: Ontario Yachts (Can)  ·  First built: 1969
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About the Viking 25

Designed by the renowned Canadian firm Cuthbertson & Cassian in 1969, this compact cruiser emerged during sailing's golden age when fiberglass construction was revolutionizing boat building. Ontario Yachts built these sturdy vessels with a focus on creating an affordable yet capable pocket cruiser that could handle a variety of sailing conditions. The fractional sloop rig and fin keel configuration deliverrespectable performance for coastal cruising and weekend adventures. With a displacement of 3,500 pounds packed into 25 feet of length, this boat offers surprising stability and seaworthiness for its size. The generous beam provides good interior volume while maintaining manageable handling characteristics for couples or small families. The comfort ratio of 16.29 indicates a relatively light displacement design that favors sailing performance over heavy-weather comfort, making it ideal for day sailing and coastal cruising rather than extended offshore passages. The capsize screening formula of 2.11 suggests reasonable stability for protected waters and moderate conditions. This design represents the practical approach Cuthbertson & Cassian were known for—creating boats that balanced performance, affordability, and livability. For sailors seeking a classic 1970s pocket cruiser with proven design pedigree, the Viking 25 offers solid construction and time-tested sailing characteristics at an accessible size.

Core Dimensions
LOA (Length Overall) 25.00 ft / 7.62 m
LWL (Waterline Length) 19.00 ft / 5.79 m
Beam 8.00 ft / 2.44 m
Max Draft 4.00 ft / 1.22 m
Displacement 3,500.00 lb / 1,588 kg
Sail Area (Reported) 278.00 ft² / 25.83 m²
Design & Construction
Hull Type Fin Keel
Rigging Type Fractional Sloop
Construction FG
Designer Cuthbertson & Cassian
Builder Ontario Yachts (CAN)
First Built 1969
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Performance Ratios
PHRF Rating PHRF (Performance Handicap Racing Fleet) is a national racing handicap measured in seconds per nautical mile. Lower values indicate faster boats. Ratings are sourced from US Sailing's national database (median across 60+ regional fleets).
Under 0 — Ultralight racer0–90 — Performance racer90–150 — Cruiser/racer150–210 — Typical cruiserOver 210 — Heavy/slow cruiser
231
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
19.35
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
227.8
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
16.29
Capsize Screening Formula The USHS Capsize Screening Formula estimates offshore capsize risk. Lower is safer — values under 2.0 are considered acceptable for offshore sailing.
Under 2.0 — Safe for offshore2.0–2.2 — Borderline offshoreOver 2.2 — Coastal use recommended
2.11
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. 5.84 kn
S# (Speed Number) The Speed Number (S#) is a quick performance index. Higher values indicate a faster, more powerful design relative to its size.
Under 3.0 — Slow cruiser3.0–5.0 — Average cruiser5.0–7.0 — Performance cruiserOver 7.0 — Racer
2.63
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. 543.11 pounds/inch
SA/Displacement (Calc) Calculated Sail Area to Displacement ratio using actual measured sail dimensions rather than reported values. More precise than the reported SA/Disp figure. 19.32
Rig Dimensions
I (Foretriangle Height) 27.00 ft / 8.23 m
J (Foretriangle Base) 8.00 ft / 2.44 m
P (Mainsail Luff) 31.40 ft / 9.57 m
E (Mainsail Foot) 10.80 ft / 3.29 m
SA Fore 108.00 ft² / 10.03 m²
SA Main 169.56 ft² / 15.75 m²
SA Total (100%) 277.56 ft² / 25.79 m²
Est. Forestay Length 28.16 ft / 8.58 m
How It Compares

vs. C&C 25, Catalina 25, Hunter 25

This boat Similar boats
Dimensions
LOA
Viking 25 ★
25.0 ft
C&C 25
25.0 ft
Catalina 25
25.0 ft
Hunter 25
25.0 ft
LWL
Viking 25 ★
19.0 ft
C&C 25
Catalina 25
21.5 ft
Hunter 25
20.2 ft
Beam
Viking 25 ★
8.0 ft
C&C 25
Catalina 25
8.8 ft
Hunter 25
8.0 ft
Displacement
Viking 25 ★
3 lbs
C&C 25
Catalina 25
4 lbs
Hunter 25
4 lbs
Ballast
Viking 25 ★
C&C 25
Catalina 25
1 lbs
Hunter 25
1 lbs
Sail Area
Viking 25 ★
278 sq ft
C&C 25
Catalina 25
254 sq ft
Hunter 25
256 sq ft
Performance
PHRF Rating (lower = faster)
Viking 25 ★
231 s/nm
C&C 25
216 s/nm
Catalina 25
223 s/nm
Hunter 25
223 s/nm
SA / Displacement (higher = more powerful)
Viking 25 ★
19.4
C&C 25
Catalina 25
16.1
Hunter 25
15.3
Ballast / Disp (higher = stiffer)
Viking 25 ★
C&C 25
Catalina 25
37.5 %
Hunter 25
40.9 %
Comfort Ratio (higher = more comfortable offshore)
Viking 25 ★
16.3
C&C 25
Catalina 25
15.2
Hunter 25
19.7
Capsize Screening (lower = safer)
Viking 25 ★
2.11
C&C 25
Catalina 25
2.21
Hunter 25
1.96
Displacement / Length (lower = lighter)
Viking 25 ★
227
C&C 25
Catalina 25
179
Hunter 25
239
Hull Speed
Viking 25 ★
5.8 kts
C&C 25
Catalina 25
6.2 kts
Hunter 25
6.0 kts
Speed Number (higher = faster)
Viking 25 ★
2.6
C&C 25
Catalina 25
Hunter 25
2.1
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