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Concordia 25
Designer: Culler/Hunt/Howland  ·  Builder: Concordia Co. .D.c Mcintosh (Usa)  ·  First built: 1938
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About the Concordia 25

Designed by the renowned trio of Pete Culler, Ray Hunt, and Llewellyn Howland, this classic wooden sloop represents the pinnacle of pre-war yacht design craftsmanship. Built by Concordia Company between 1938 and 1947, only nine of these exceptional vessels were ever constructed, making them highly sought-after collector's boats today. With her long keel configuration and transom-hung rudder, the Concordia 25 exhibits traditional seakeeping qualities that inspire confidence in coastal and offshore conditions. The substantial 14,000-pound displacement combined with a moderate sail area creates a forgiving, stable platform ideal for serious cruising sailors who prioritize seaworthiness over speed. Her fractional sloop rig provides excellent balance and manageable sail handling. The boat's impressive comfort ratio of 41.11 and conservative capsize screening value of 1.55 underscore her blue-water capabilities, while the hull speed of 6.70 knots reflects her displacement nature. This is a yacht built for passages rather than racing, though her classic lines and impeccable construction quality make her a standout in any anchorage. These rare classics appeal to discerning sailors who appreciate traditional yacht design, solid wooden construction, and the prestige of owning a piece of American yachting history from Concordia's legendary boatyard.

Core Dimensions
LOA (Length Overall) 31.25 ft / 9.53 m
LWL (Waterline Length) 25.00 ft / 7.62 m
Beam 9.33 ft / 2.84 m
Max Draft 5.25 ft / 1.60 m
Displacement 14,000.00 lb / 6,350 kg
Ballast Type Iron
Sail Area (Reported) 538.00 ft² / 49.98 m²
Design & Construction
Hull Type Long keel w/trans. hung rudder
Rigging Type Fractional Sloop
Construction Wood
Designer Culler/Hunt/Howland
Builder Concordia Co. .D.C McIntosh (USA)
First Built 1938
Last Built 1947
Number Built 9
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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
14.87
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
400
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
41.11
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
1.55
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. 6.70 kn
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. 833.43 pounds/inch
Engine & Accommodations
Engine Make Gray
Engine Model Sea Scout
Engine Type Gas
How It Compares

vs. Cape Dory 31, Controversy 30, Harmony 31

This boat Similar boats
Dimensions
LOA
Concordia 25 ★
31.3 ft
Cape Dory 31
31.3 ft
Controversy 30
31.2 ft
Harmony 31
31.2 ft
LWL
Concordia 25 ★
25.0 ft
Cape Dory 31
23.3 ft
Controversy 30
26.7 ft
Harmony 31
24.4 ft
Beam
Concordia 25 ★
9.3 ft
Cape Dory 31
9.8 ft
Controversy 30
5.4 ft
Harmony 31
9.2 ft
Displacement
Concordia 25 ★
14 lbs
Cape Dory 31
11 lbs
Controversy 30
11 lbs
Harmony 31
10 lbs
Ballast
Concordia 25 ★
Cape Dory 31
4 lbs
Controversy 30
Harmony 31
4 lbs
Sail Area
Concordia 25 ★
538 sq ft
Cape Dory 31
504 sq ft
Controversy 30
432 sq ft
Harmony 31
416 sq ft
Performance
PHRF Rating (lower = faster)
Concordia 25 ★
Cape Dory 31
198 s/nm
Controversy 30
195 s/nm
Harmony 31
SA / Displacement (higher = more powerful)
Concordia 25 ★
14.9
Cape Dory 31
15.9
Controversy 30
13.9
Harmony 31
13.9
Ballast / Disp (higher = stiffer)
Concordia 25 ★
Cape Dory 31
37.8 %
Controversy 30
Harmony 31
41.7 %
Comfort Ratio (higher = more comfortable offshore)
Concordia 25 ★
41.1
Cape Dory 31
33.3
Controversy 30
64.4
Harmony 31
32.2
Capsize Screening (lower = safer)
Concordia 25 ★
1.55
Cape Dory 31
1.73
Controversy 30
0.97
Harmony 31
1.68
Displacement / Length (lower = lighter)
Concordia 25 ★
400
Cape Dory 31
408
Controversy 30
261
Harmony 31
323
Hull Speed
Concordia 25 ★
6.7 kts
Cape Dory 31
6.5 kts
Controversy 30
6.9 kts
Harmony 31
6.6 kts
Speed Number (higher = faster)
Concordia 25 ★
Cape Dory 31
1.0
Controversy 30
1.8
Harmony 31
1.3
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