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Asso 99
Designer: Ettore Santarelli  ·  First built: 1983
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About the Asso 99

Designed by Ettore Santarelli and first launched in 1983, this Italian performance cruiser represents a compelling blend of racing heritage and practical sailing capabilities. With 150 hulls built over its production run, the Asso 99 has established itself as a respected choice among sailors seeking spirited performance without sacrificing comfort. The boat's fractional sloop rig and generous sail area of 473 square feet deliver impressive sailing performance, while the fin keel with bulb and spade rudder configuration provides excellent maneuverability and upwind ability. At 32.68 feet overall with a displacement of 2,425 pounds, this relatively lightweight design offers responsive handling that appeals to both competitive sailors and weekend cruisers. The healthy ballast-to-displacement ratio, combined with a capsize screening formula of 2.88, indicates good stability characteristics suitable for coastal cruising and club racing. The fiberglass construction ensures durability and relatively low maintenance requirements. With its Italian pedigree and thoughtful proportions, the Asso 99 excels in moderate to fresh conditions, making it an excellent choice for sailors who prioritize sailing performance while maintaining the versatility needed for extended coastal adventures or spirited day sailing.

Core Dimensions
LOA (Length Overall) 32.68 ft / 9.96 m
Beam 9.65 ft / 2.94 m
Max Draft 5.62 ft / 1.71 m
Displacement 2,425.00 lb / 1,100 kg
Ballast 1,058.00 lb / 480 kg
Sail Area (Reported) 473.00 ft² / 43.94 m²
Design & Construction
Hull Type Fin w/bulb & spade rudder
Rigging Type Fractional Sloop
Construction FG
Designer Ettore Santarelli
First Built 1983
Number Built 150
Associations Asso 99 (Italy)
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
 50.51
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
 6.21
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. 7.06 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. 5.74 pounds/inch
SA/Displacement (Calc) Calculated Sail Area to Displacement ratio using actual measured sail dimensions rather than reported values. More precise than the reported SA/Disp figure. 39.89
Rig Dimensions
I (Foretriangle Height) 33.46 ft / 10.20 m
J (Foretriangle Base) 11.81 ft / 3.60 m
P (Mainsail Luff) 36.91 ft / 11.25 m
E (Mainsail Foot) 13.62 ft / 4.15 m
SA Fore 197.58 ft² / 18.36 m²
SA Main 251.36 ft² / 23.35 m²
SA Total (100%) 448.94 ft² / 41.71 m²
Est. Forestay Length 35.48 ft / 10.81 m
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