Brazilian designer Roberto Barros created this compact cruiser in 1980, with production handled by Multiglass in Brazil. At just over 23 feet, this fiberglass sloop packs impressive seaworthiness into a manageable package, making it an appealing choice for sailors seeking coastal cruising capability without the complexity of larger vessels. The Atoll 23's design emphasizes stability and comfort over pure performance. With a displacement of 2,491 pounds and substantial ballast of 1,047 pounds positioned in a fin keel configuration, the boat offers reassuring stability for extended passages. The hull speed of 5.77 knots is respectable for weekend coastal adventures and short offshore hops. Notable design characteristics include a fractional sloop rig carrying 316 square feet of sail area, providing balanced handling in varying wind conditions. The fin keel with rudder on skeg arrangement delivers good tracking and maneuverability while maintaining reasonable draft for accessing shallow anchorages. The comfort ratio of 12.29 indicates this boat prioritizes seaworthiness over speed, making it well-suited for small-crew coastal cruising and overnight passages. While not a racing boat, the Atoll 23 represents solid Brazilian craftsmanship designed for sailors who value reliability and comfort over maximum performance.
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What is the Atoll 23's sail area to displacement ratio?
The Atoll 23 has a Sail Area to Displacement ratio (SA/D) of 27.58. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.
What is the Atoll 23's comfort ratio?
The Atoll 23 has a Ted Brewer Comfort Ratio of 12.29. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.
Is the Atoll 23 safe for offshore sailing?
The Atoll 23 has a Capsize Screening Formula value of 2.34. Values under 2.0 are considered acceptable for offshore sailing; under 1.8 is ideal.
What is the hull speed of the Atoll 23?
The theoretical hull speed of the Atoll 23 is 5.77 kn knots, calculated from its waterline length.
How much does a Atoll 23 weigh?
The Atoll 23 has a displacement of 2,491.00 lb and a length overall (LOA) of 23.13 ft.
Who designed the Atoll 23?
The Atoll 23 was designed by Roberto Barros, first built in 1980.