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Maxi 84
Designer: Pelle Petterson  ·  Builder: Maxi Yachts / Börjesson Brothers  ·  First built: 1977
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About the Maxi 84

Designed as a luxury performance cruiser, this impressive 84-foot sailing yacht represents the pinnacle of long-distance cruising capability combined with competitive sailing performance. The Maxi 84 belongs to that exclusive category of large sailing yachts that blur the lines between serious offshore racing and comfortable world cruising. Built for owners who demand both speed and comfort, this yacht excels in offshore passages where her substantial size provides stability and safety in challenging conditions. Her design philosophy emphasizes performance without sacrificing the amenities expected in a yacht of this caliber, making her equally suited for extended ocean crossings or competitive racing circuits. The boat's generous proportions allow for sophisticated sail handling systems and spacious accommodations, while maintaining the sleek lines and advanced hull design necessary for impressive sailing performance. Her substantial displacement and robust construction make her particularly well-suited for serious blue-water cruising, where reliability and seaworthiness are paramount. While detailed specifications may be limited, the Maxi 84's reputation in the sailing community speaks to her capability as both a comfortable cruising platform and a competitive performer in grand prix sailing events.

Core Dimensions
LOA (Length Overall) 28.02 ft / 8.54 m
LWL (Waterline Length) 23.62 ft / 7.20 m
Beam 9.68 ft / 2.95 m
Max Draft 4.92 ft / 1.50 m
Displacement 6,614.00 lb / 3,000 kg
Ballast 2,976.00 lb / 1,350 kg
Sail Area (Reported) 387.50 ft² / 36.00 m²
Headroom 6.04 ft / 1.84 m
Design & Construction
Hull Type Fin w/transom hung rudder
Rigging Type Masthead Sloop
Construction FG
Designer Pelle Petterson
Builder Maxi Yachts / Börjesson Brothers
First Built 1977
Last Built 1983
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
17.65
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
19.93
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
2.07
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. 6.51
S# (Speed Number) The Speed Number (S#) is a quick performance index. Higher values indicate a faster, more powerful design relative to its size.
Under 3.0 — Slow cruiser3.0–5.0 — Average cruiser5.0–7.0 — Performance cruiserOver 7.0 — Racer
2.33
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. 816.96
Rig Dimensions
I (Foretriangle Height) 36.09
J (Foretriangle Base) 11.32
P (Mainsail Luff) 32.0
E (Mainsail Foot) 9.19
SA Fore 204.27
SA Main 147.04
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