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Boreal 55
Designer: Jean-François Delvoye  ·  Builder: Boréal Yachts  ·  First built: 2016
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About the Boreal 55

Designed for serious offshore cruising, this French-built aluminum yacht represents the pinnacle of high-latitude sailing capability. Boreal Yachts has earned a reputation for creating vessels specifically engineered to handle extreme conditions, from Arctic waters to challenging ocean passages, and the 55 continues this tradition with robust construction and thoughtful design details. The aluminum hull construction provides exceptional durability and impact resistance, crucial qualities for navigating ice-laden waters or remote cruising grounds where repair facilities are nonexistent. This material choice also offers excellent corrosion resistance and structural integrity over decades of use. The yacht's design philosophy prioritizes safety and self-sufficiency, making it particularly appealing to serious cruising couples planning extended voyages to challenging destinations. Notable for its practical layout and seaworthy characteristics, the vessel features generous storage capacity and systems designed for long-term cruising independence. The cockpit and deck layout emphasize safety and ease of handling in heavy weather conditions. While not designed for racing, the boat offers respectable sailing performance balanced with the stability and comfort essential for extended offshore passages. This makes it an excellent choice for experienced sailors seeking a capable platform for ambitious cruising adventures.

Core Dimensions
LOA (Length Overall) 53.81 ft / 16.40 m
LWL (Waterline Length) 45.34 ft / 13.82 m
Beam 15.26 ft / 4.65 m
Max Draft 10.27 ft / 3.13 m
Min Draft 3.74 ft / 1.14 m
Displacement 36,376.00 lb / 16,500 kg
Ballast 10,582.00 lb / 4,800 kg
Sail Area (Reported) 1,399.31 ft² / 130.00 m²
Design & Construction
Hull Type Keel/CB & spade rudder
Rigging Type Cutter
Construction Aluminium
Designer Jean-François Delvoye
Builder Boréal Yachts
First Built 2016
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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
20.48
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
31.16
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
1.85
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. 9.02
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. 2.0
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