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Tonic 23 Jeanneau
Designer: Groupe Finot  ·  First built: 1990
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About the Tonic 23 Jeanneau

Built by the respected French manufacturer Jeanneau, the Tonic 23 represents an entry-level sailing platform designed to make boating accessible to newcomers and budget-conscious sailors. This compact sailboat embodies Jeanneau's philosophy of creating user-friendly vessels that don't compromise on sailing performance. With its modest dimensions, the Tonic 23 is ideally suited for coastal cruising, day sailing, and sailing instruction. The boat's manageable size makes it perfect for exploring protected waters, learning fundamental sailing skills, or enjoying relaxed weekend outings with family and friends. Its straightforward rigging and uncomplicated systems appeal particularly to first-time boat owners who want to focus on sailing rather than complex maintenance routines. Jeanneau's reputation for building practical, well-balanced sailboats shines through in the Tonic 23's design. The boat typically features a stable hull form that inspires confidence in novice sailors while still providing enough performance to keep experienced sailors engaged. Its compact cockpit and simplified deck layout prioritize safety and ease of handling, making it an excellent choice for sailing schools and charter operations seeking reliable, forgiving boats for training purposes.

Core Dimensions
LOA (Length Overall) 23.29 ft / 7.10 m
LWL (Waterline Length) 20.34 ft / 6.20 m
Beam 8.86 ft / 2.70 m
Max Draft 4.27 ft / 1.30 m
Displacement 3,748 lb / 1,700 kg
Ballast 1,323 lb / 600 kg
Sail Area (Reported) 248 ft² / 23.04 m²
Design & Construction
Hull Type Fin w/spade rudder
Rigging Type Masthead Sloop
Construction FG
Designer Groupe Finot
First Built 1990
Last Built 1997
Owner Reviews

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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
16.42
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
35.3
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
198.84
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
14.83
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
2.28
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. 6.04 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. 3.86 pounds/inch
How It Compares

vs. Com-Pac Eclipse, Hunter 23, Hunter 235, Rainbow 24, Storm Jeanneau

This boat Similar boats
Dimensions
LOA
Tonic 23 Jeanneau ★
23.3 ft
Com-Pac Eclipse
23.0 ft
Hunter 23
23.3 ft
Hunter 235
23.5 ft
Rainbow 24
24.0 ft
Storm Jeanneau
22.3 ft
LWL
Tonic 23 Jeanneau ★
20.3 ft
Com-Pac Eclipse
20.0 ft
Hunter 23
20.3 ft
Hunter 235
20.5 ft
Rainbow 24
17.3 ft
Storm Jeanneau
19.4 ft
Beam
Tonic 23 Jeanneau ★
8.9 ft
Com-Pac Eclipse
8.5 ft
Hunter 23
8.3 ft
Hunter 235
8.3 ft
Rainbow 24
6.3 ft
Storm Jeanneau
8.2 ft
Displacement
Tonic 23 Jeanneau ★
3 lbs
Com-Pac Eclipse
3 lbs
Hunter 23
3 lbs
Hunter 235
3 lbs
Rainbow 24
2 lbs
Storm Jeanneau
3 lbs
Ballast
Tonic 23 Jeanneau ★
1 lbs
Com-Pac Eclipse
1 lbs
Hunter 23
1 lbs
Hunter 235
1 lbs
Rainbow 24
1 lbs
Storm Jeanneau
1 lbs
Sail Area
Tonic 23 Jeanneau ★
248 sq ft
Com-Pac Eclipse
220 sq ft
Hunter 23
238 sq ft
Hunter 235
250 sq ft
Rainbow 24
214 sq ft
Storm Jeanneau
225 sq ft
Performance
PHRF Rating (lower = faster)
Tonic 23 Jeanneau ★
Com-Pac Eclipse
Hunter 23
243 s/nm
Hunter 235
Rainbow 24
258 s/nm
Storm Jeanneau
SA / Displacement (higher = more powerful)
Tonic 23 Jeanneau ★
16.4
Com-Pac Eclipse
15.3
Hunter 23
16.2
Hunter 235
16.4
Rainbow 24
20.0
Storm Jeanneau
16.2
Ballast / Disp (higher = stiffer)
Tonic 23 Jeanneau ★
35.3 %
Com-Pac Eclipse
34.3 %
Hunter 23
37.5 %
Hunter 235
39.5 %
Rainbow 24
49.8 %
Storm Jeanneau
40.0 %
Comfort Ratio (higher = more comfortable offshore)
Tonic 23 Jeanneau ★
14.8
Com-Pac Eclipse
14.9
Hunter 23
Hunter 235
Rainbow 24
15.7
Storm Jeanneau
15.2
Capsize Screening (lower = safer)
Tonic 23 Jeanneau ★
2.28
Com-Pac Eclipse
2.24
Hunter 23
Hunter 235
Rainbow 24
1.91
Storm Jeanneau
2.20
Displacement / Length (lower = lighter)
Tonic 23 Jeanneau ★
198
Com-Pac Eclipse
195
Hunter 23
193
Hunter 235
196
Rainbow 24
195
Storm Jeanneau
203
Hull Speed
Tonic 23 Jeanneau ★
6.0 kts
Com-Pac Eclipse
6.0 kts
Hunter 23
Hunter 235
Rainbow 24
5.6 kts
Storm Jeanneau
5.9 kts
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