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Midship 25
Designer: Robert Finch  ·  Builder: Midship Yacht Co.  ·  First built: 1972
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About the Midship 25

Built during the 1970s by Midship Marine, this 25-foot sailboat represents a practical approach to coastal cruising and daysailing. The Midship 25 emerged during an era when fiberglass construction was becoming refined, allowing builders to create affordable boats that balanced performance with livability. With its moderate beam and traditional lines, the design emphasizes seaworthiness over outright speed. The hull form suggests capable handling in varied conditions, making it well-suited for weekend coastal adventures and short-term cruising. The cockpit arrangement prioritizes crew comfort and safety, while the cabin layout maximizes the available space for overnight accommodations. Like many boats from this period, the Midship 25 benefits from robust construction methods that have proven their durability over decades. Owners often praise the boat's forgiving sailing characteristics and reasonable maintenance requirements. While not designed as a racing machine, the boat offers respectable performance under sail and responds well to proper trim. The Midship 25 appeals to sailors seeking an honest, no-nonsense boat that delivers reliable service without pretension. Its size makes it manageable for smaller crews while providing enough comfort for extended day trips or weekend getaways along protected coastlines.

Core Dimensions
LOA (Length Overall) 25.25 ft / 7.70 m
LWL (Waterline Length) 22.16 ft / 6.75 m
Beam 8.00 ft / 2.44 m
Max Draft 5.18 ft / 1.58 m
Min Draft 1.16 ft / 0.35 m
Displacement 3,750.00 lb / 1,701 kg
Ballast 1,100.00 lb / 499 kg
Sail Area (Reported) 268.00 ft² / 24.90 m²
Design & Construction
Hull Type Swing Keel
Rigging Type Masthead Sloop
Construction FG
Designer Robert Finch
Builder Midship Yacht Co.
First Built 1972
Last Built 1975
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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
17.81
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
15.73
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
2.06
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. 6.31
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
3.43
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. 633.44
Rig Dimensions
I (Foretriangle Height) 29.5
J (Foretriangle Base) 10.75
P (Mainsail Luff) 24.42
E (Mainsail Foot) 9.0
SA Fore 158.56
SA Main 109.89
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