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Boomaroo 25
Designer: Frank Butler  ·  Builder: Boomaroo Yachts  ·  First built: 1980
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About the Boomaroo 25

With limited technical specifications available, the Boomaroo 25 represents one of the more elusive designs in the 25-foot sailboat category. This Australian-designed vessel emerged during an era when builders were experimenting with affordable family cruising boats that could handle diverse sailing conditions. Based on her name and size class, the Boomaroo 25 appears suited for coastal cruising and weekend adventures, offering enough space for small crew comfort while maintaining manageable sailing characteristics. The design likely emphasizes practical layout and seaworthy construction typical of Australian boats from this period, which were often built to handle variable coastal conditions ranging from protected bays to more challenging open waters. While detailed performance data remains scarce, boats of this size and regional origin typically feature moderate displacement hulls designed for stability and ease of handling rather than racing performance. The Boomaroo 25 would appeal to sailors seeking a straightforward, unpretentious cruising boat capable of comfortable day sailing and short coastal passages. For prospective buyers researching this model, the limited available information suggests focusing on individual vessel condition and equipment rather than relying heavily on published specifications, making thorough inspection particularly important.

Core Dimensions
LOA (Length Overall) 25.00 ft / 7.62 m
LWL (Waterline Length) 22.17 ft / 6.76 m
Beam 8.00 ft / 2.44 m
Max Draft 5.00 ft / 1.52 m
Min Draft 2.67 ft / 0.81 m
Displacement 4,149.00 lb / 1,882 kg
Ballast 1,799.00 lb / 816 kg
Sail Area (Reported) 270.00 ft² / 25.08 m²
Design & Construction
Hull Type Swing Keel
Rigging Type Masthead Sloop
Construction FG
Designer Frank Butler
Builder Boomaroo Yachts
First Built 1980
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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
16.78
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
17.45
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
1.99
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. 6.31
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
3.06
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. 633.73
Rig Dimensions
I (Foretriangle Height) 29.0
J (Foretriangle Base) 10.5
P (Mainsail Luff) 24.66
E (Mainsail Foot) 9.58
SA Fore 152.25
SA Main 118.12
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