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Hobie Tiger 18
 ·  Builder: Hobie Europe  ·  First built: 1995
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About the Hobie Tiger 18

Built by Hobie Europe starting in 1995, this high-performance catamaran represents the brand's commitment to exciting multihull sailing. The Tiger 18's twin daggerboard configuration and fractional sloop rig with rotating mast create an ideal platform for fast recreational sailing and competitive racing. At 18 feet in length with an 8.5-foot beam, this fiberglass catamaran strikes an excellent balance between transportability and performance. The rotating spar system maximizes sail efficiency, while the moderate draft of 2.33 feet allows access to shallow waters that would challenge deeper-draft monohulls. With 220 square feet of sail area driving just 397 pounds of displacement, the Tiger 18 delivers an impressive sail area-to-displacement ratio of 65.24, promising exhilarating speed and acceleration. This design excels in coastal waters and protected bays where conditions favor multihull sailing. The catamaran configuration provides inherent stability and reduced heeling, making it accessible to sailors seeking performance without the extreme hiking demands of single-handed dinghies. Racing enthusiasts will appreciate the boat's responsive handling and speed potential, while recreational sailors can enjoy comfortable day sailing with friends or family on the spacious platform between hulls.

Core Dimensions
LOA (Length Overall) 18.08 ft / 5.51 m
Beam 8.53 ft / 2.60 m
Max Draft 2.33 ft / 0.71 m
Min Draft 0.25 ft / 0.08 m
Displacement 397.00 lb / 180 kg
Sail Area (Reported) 220.00 ft² / 20.44 m²
Design & Construction
Hull Type Catamaran Twin Dbrd.
Rigging Type Frac. Sloop (Rotating Spar)
Construction FG
Builder Hobie Europe
First Built 1995
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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
 65.24
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
 48.83
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
 2.17
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
 4.65
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. 5.25 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. 2.81 pounds/inch
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