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Mark 25
Designer: Motion Designs Limited  ·  Builder: Ontario Yachts (Can)/Eli Laminates (Usa)  ·  First built: 1984
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About the Mark 25

Sailing enthusiasts seeking an accessible entry into keelboat sailing often discover the Mark 25 represents solid value in the compact cruiser category. This quarter-century sailboat bridges the gap between daysailing and weekend cruising, offering enough interior space for overnight adventures while remaining manageable for smaller crews. Built during an era when manufacturers focused on practical sailing characteristics over flashy amenities, the Mark 25 exhibits traditional design principles that prioritize seaworthiness and ease of handling. Her moderate proportions suggest she's well-suited for coastal cruising and protected water sailing, making her an excellent choice for sailors transitioning from smaller dinghies or those wanting a reliable platform for learning keelboat skills. The boat's reputation centers around straightforward sailing characteristics and reasonable accommodation in her compact interior. While not designed for extended offshore passages, she provides sufficient comfort for weekend getaways and day trips with family or friends. Her size makes her particularly appealing to sailors dealing with slip limitations or those preferring lower maintenance costs associated with smaller vessels. For sailors prioritizing simplicity and proven performance over cutting-edge features, the Mark 25 delivers dependable sailing in an unpretentious package.

Core Dimensions
LOA (Length Overall) 24.58 ft / 7.49 m
LWL (Waterline Length) 20.00 ft / 6.10 m
Beam 9.25 ft / 2.82 m
Max Draft 4.25 ft / 1.30 m
Displacement 4,130.00 lb / 1,873 kg
Ballast 1,779.00 lb / 807 kg
Design & Construction
Hull Type Fin w/transom hung rudder
Rigging Type Fractional Sloop
Construction FG
Designer Motion Designs Limited
Builder Ontario Yachts (CAN)/Eli Laminates (USA)
First Built 1984
Number Built 17
Owner Reviews

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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
216
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
43.08
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
230.47
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. 3.96 pounds/inch
Rig Dimensions
I (Foretriangle Height) 20.57
J (Foretriangle Base) 7.70 ft / 2.35 m
P (Mainsail Luff) 330.00 ft² / 30.66 m²
E (Mainsail Foot) 230.47
How It Compares

vs. Cc 25 Mkii, Chrysler 26 Fk, Ranger 265 Thomas, Sovereign 23, Viking 25

This boat Similar boats
Dimensions
LOA
Mark 25 ★
24.6 ft
Cc 25 Mkii
25.1 ft
Chrysler 26 Fk
26.0 ft
Ranger 265 Thomas
25.0 ft
Sovereign 23
23.0 ft
Viking 25
25.0 ft
LWL
Mark 25 ★
20.0 ft
Cc 25 Mkii
20.0 ft
Chrysler 26 Fk
22.0 ft
Ranger 265 Thomas
22.3 ft
Sovereign 23
18.5 ft
Viking 25
19.0 ft
Beam
Mark 25 ★
9.3 ft
Cc 25 Mkii
8.6 ft
Chrysler 26 Fk
8.0 ft
Ranger 265 Thomas
9.2 ft
Sovereign 23
8.0 ft
Viking 25
8.0 ft
Displacement
Mark 25 ★
4 lbs
Cc 25 Mkii
4 lbs
Chrysler 26 Fk
5 lbs
Ranger 265 Thomas
5 lbs
Sovereign 23
3 lbs
Viking 25
3 lbs
Ballast
Mark 25 ★
1 lbs
Cc 25 Mkii
1 lbs
Chrysler 26 Fk
2 lbs
Ranger 265 Thomas
2 lbs
Sovereign 23
1 lbs
Viking 25
Sail Area
Mark 25 ★
Cc 25 Mkii
Chrysler 26 Fk
257 sq ft
Ranger 265 Thomas
Sovereign 23
243 sq ft
Viking 25
278 sq ft
Performance
PHRF Rating (lower = faster)
Mark 25 ★
216 s/nm
Cc 25 Mkii
Chrysler 26 Fk
Ranger 265 Thomas
Sovereign 23
252 s/nm
Viking 25
231 s/nm
SA / Displacement (higher = more powerful)
Mark 25 ★
Cc 25 Mkii
Chrysler 26 Fk
13.2
Ranger 265 Thomas
Sovereign 23
17.8
Viking 25
19.4
Ballast / Disp (higher = stiffer)
Mark 25 ★
43.1 %
Cc 25 Mkii
45.3 %
Chrysler 26 Fk
43.6 %
Ranger 265 Thomas
37.1 %
Sovereign 23
41.5 %
Viking 25
Comfort Ratio (higher = more comfortable offshore)
Mark 25 ★
Cc 25 Mkii
Chrysler 26 Fk
23.0
Ranger 265 Thomas
Sovereign 23
15.9
Viking 25
16.3
Capsize Screening (lower = safer)
Mark 25 ★
Cc 25 Mkii
Chrysler 26 Fk
1.82
Ranger 265 Thomas
Sovereign 23
2.16
Viking 25
2.11
Displacement / Length (lower = lighter)
Mark 25 ★
230
Cc 25 Mkii
231
Chrysler 26 Fk
230
Ranger 265 Thomas
228
Sovereign 23
229
Viking 25
227
Hull Speed
Mark 25 ★
Cc 25 Mkii
Chrysler 26 Fk
6.3 kts
Ranger 265 Thomas
Sovereign 23
5.8 kts
Viking 25
5.8 kts
Speed Number (higher = faster)
Mark 25 ★
Cc 25 Mkii
Chrysler 26 Fk
1.6
Ranger 265 Thomas
Sovereign 23
2.5
Viking 25
2.6
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