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Stardust 311 Beneteau
Designer: Jean Berret  ·  First built: 1989
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About the Stardust 311 Beneteau

Finding comprehensive information about the Stardust 311 proves challenging, as this Beneteau model appears to be relatively obscure in the manufacturer's extensive catalog. With limited specifications available, sailors researching this particular vessel will need to dig deeper to uncover its true characteristics and capabilities. Based on Beneteau's general design philosophy during their various production eras, the Stardust 311 likely represents their commitment to creating accessible sailing platforms that balance performance with practicality. The 31-foot length suggests a boat designed for coastal cruising and weekend adventures, fitting into that sweet spot where boats remain manageable for small crews while offering enough space for comfortable short-term living aboard. Beneteau's reputation for building solid, well-constructed vessels that appeal to recreational sailors would presumably extend to this model. The French manufacturer has consistently focused on creating boats that provide good sailing characteristics without overwhelming novice sailors, making their vessels popular choices for those transitioning from smaller boats or entering sailing from powerboating backgrounds. Prospective buyers should seek out owner reviews and conduct thorough inspections, as the limited available data makes individual boat condition particularly important when evaluating this model.

Core Dimensions
LOA (Length Overall) 31.17 ft / 9.50 m
LWL (Waterline Length) 26.57 ft / 8.10 m
Beam 11.48 ft / 3.50 m
Max Draft 5.25 ft / 1.60 m
Displacement 9,921 lb / 4,500 kg
Ballast 3,307 lb / 1,500 kg
Sail Area (Reported) 441 ft² / 40.97 m²
Design & Construction
Hull Type Fin w/spade rudder
Rigging Type Masthead Sloop
Construction FG
Designer Jean Berret
First Built 1989
Last Built 1993
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
15.26
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
33.33
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
236.12
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
21.1
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
2.14
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. 6.91 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. 6.54 pounds/inch
How It Compares

vs. Bavaria 31, Bavaria 960, Hunter 31

This boat Similar boats
Dimensions
LOA
Stardust 311 Beneteau ★
31.2 ft
Bavaria 31
31.2 ft
Bavaria 960
31.2 ft
Hunter 31
31.3 ft
LWL
Stardust 311 Beneteau ★
26.6 ft
Bavaria 31
27.6 ft
Bavaria 960
27.2 ft
Hunter 31
26.3 ft
Beam
Stardust 311 Beneteau ★
11.5 ft
Bavaria 31
11.2 ft
Bavaria 960
11.2 ft
Hunter 31
10.9 ft
Displacement
Stardust 311 Beneteau ★
9 lbs
Bavaria 31
9 lbs
Bavaria 960
9 lbs
Hunter 31
9 lbs
Ballast
Stardust 311 Beneteau ★
3 lbs
Bavaria 31
3 lbs
Bavaria 960
3 lbs
Hunter 31
4 lbs
Sail Area
Stardust 311 Beneteau ★
441 sq ft
Bavaria 31
484 sq ft
Bavaria 960
495 sq ft
Hunter 31
458 sq ft
Performance
PHRF Rating (lower = faster)
Stardust 311 Beneteau ★
Bavaria 31
177 s/nm
Bavaria 960
173 s/nm
Hunter 31
183 s/nm
SA / Displacement (higher = more powerful)
Stardust 311 Beneteau ★
15.3
Bavaria 31
17.5
Bavaria 960
17.4
Hunter 31
16.2
Ballast / Disp (higher = stiffer)
Stardust 311 Beneteau ★
33.3 %
Bavaria 31
35.7 %
Bavaria 960
36.4 %
Hunter 31
41.2 %
Comfort Ratio (higher = more comfortable offshore)
Stardust 311 Beneteau ★
21.1
Bavaria 31
Bavaria 960
21.1
Hunter 31
22.4
Capsize Screening (lower = safer)
Stardust 311 Beneteau ★
2.14
Bavaria 31
Bavaria 960
2.09
Hunter 31
2.05
Displacement / Length (lower = lighter)
Stardust 311 Beneteau ★
236
Bavaria 31
197
Bavaria 960
214
Hunter 31
239
Hull Speed
Stardust 311 Beneteau ★
6.9 kts
Bavaria 31
Bavaria 960
7.0 kts
Hunter 31
6.9 kts
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