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Tilapia 650
 ·  Builder: Ocqueteau (Fra)  ·  First built: 2006
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About the Tilapia 650

French builder Ocqueteau introduced this distinctive 24-footer in 2006, targeting sailors seeking an unconventional approach to coastal cruising and day sailing. The boat's most striking feature is its twin keel configuration paired with dual rudders, creating exceptional stability in shallow waters while maintaining surprisingly capable sailing characteristics. With its unstayed cat rig, the Tilapia 650 eliminates the complexity of standing rigging, making it particularly appealing to newcomers or sailors preferring simplified boat handling. The single sail setup reduces maintenance while providing adequate power for coastal adventures, though the modest sail area suggests this isn't a speed demon but rather a steady, predictable performer. The shallow 1.84-foot draft opens up cruising grounds typically off-limits to deeper-keeled boats, making it ideal for exploring estuaries, shallow bays, and tidal waters. The twin keel design allows for comfortable beaching and drying out, expanding anchoring options considerably. At just over 3,000 pounds displacement, the fiberglass construction keeps weight reasonable while maintaining structural integrity. The capsize screening formula of 2.3 indicates good stability for coastal sailing, though this boat is clearly designed for protected waters rather than offshore passages. Its combination of shallow draft, simple rig, and manageable size makes it an excellent choice for relaxed coastal exploration.

Core Dimensions
LOA (Length Overall) 23.62 ft / 7.20 m
Beam 8.37 ft / 2.55 m
Max Draft 1.84 ft / 0.56 m
Displacement 3,086.00 lb / 1,400 kg
Sail Area (Reported) 226.04 ft² / 21.00 m²
Design & Construction
Hull Type Twin keels with dual rudders
Rigging Type Cat (unstayed)
Construction FG
Builder Ocqueteau (FRA)
First Built 2006
Related Sailboats Djinn 7 · Hunter 235 · Parker 235 · 707 Thomas · Balboa 24
Owner Reviews

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Performance Ratios
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
170.24
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
13.22
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. 6.0 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. 3.6 pounds/inch
Engine & Accommodations
Engine Model Outboard
Horsepower 10
How It Compares

vs. 707 Thomas, Balboa 24, Djinn 7, Hunter 235, Parker 235

This boat Similar boats
Dimensions
LOA
Tilapia 650 ★
23.6 ft
707 Thomas
23.7 ft
Balboa 24
23.6 ft
Djinn 7
23.6 ft
Hunter 235
23.5 ft
Parker 235
23.5 ft
LWL
Tilapia 650 ★
707 Thomas
23.0 ft
Balboa 24
20.0 ft
Djinn 7
Hunter 235
20.5 ft
Parker 235
20.9 ft
Beam
Tilapia 650 ★
8.4 ft
707 Thomas
8.3 ft
Balboa 24
8.3 ft
Djinn 7
8.2 ft
Hunter 235
8.3 ft
Parker 235
8.3 ft
Displacement
Tilapia 650 ★
3 lbs
707 Thomas
1 lbs
Balboa 24
2 lbs
Djinn 7
3 lbs
Hunter 235
3 lbs
Parker 235
3 lbs
Ballast
Tilapia 650 ★
707 Thomas
915 lbs
Balboa 24
900 lbs
Djinn 7
716 lbs
Hunter 235
1 lbs
Parker 235
683 lbs
Sail Area
Tilapia 650 ★
226 sq ft
707 Thomas
320 sq ft
Balboa 24
220 sq ft
Djinn 7
Hunter 235
250 sq ft
Parker 235
270 sq ft
Performance
SA / Displacement (higher = more powerful)
Tilapia 650 ★
707 Thomas
32.6
Balboa 24
18.7
Djinn 7
Hunter 235
16.4
Parker 235
20.6
Ballast / Disp (higher = stiffer)
Tilapia 650 ★
707 Thomas
Balboa 24
34.6 %
Djinn 7
21.7 %
Hunter 235
39.5 %
Parker 235
Comfort Ratio (higher = more comfortable offshore)
Tilapia 650 ★
13.2
707 Thomas
7.9
Balboa 24
11.3
Djinn 7
14.6
Hunter 235
Parker 235
12.9
Capsize Screening (lower = safer)
Tilapia 650 ★
707 Thomas
2.65
Balboa 24
2.43
Djinn 7
Hunter 235
Parker 235
2.30
Displacement / Length (lower = lighter)
Tilapia 650 ★
170
707 Thomas
Balboa 24
145
Djinn 7
183
Hunter 235
196
Parker 235
Hull Speed
Tilapia 650 ★
6.0 kts
707 Thomas
6.4 kts
Balboa 24
6.0 kts
Djinn 7
6.0 kts
Hunter 235
Parker 235
6.1 kts
Speed Number (higher = faster)
Tilapia 650 ★
707 Thomas
Balboa 24
3.7
Djinn 7
Hunter 235
Parker 235
3.5
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