Italian builder Biffoni produced this well-proportioned cruising sailboat throughout the 1970s, drawing from Sciomachen's thoughtful design work. With nearly 36 feet of overall length and a comfortable 12.57-foot beam, the Bonaventura 36 offers spacious accommodations while maintaining respectable sailing performance for coastal and offshore cruising. The masthead sloop configuration and fin keel with spade rudder setup delivers good maneuverability and upwind performance, while the substantial displacement of over 12,000 pounds provides the stability and load-carrying capacity that cruising sailors appreciate. The generous ballast-to-displacement ratio contributes to confident handling in varying conditions. Featuring fiberglass construction typical of the era, these boats were built with the solid craftsmanship Italian yards were known for during this period. The SA/Displacement ratio of 22.79 suggests moderate power under sail—sufficient for enjoyable sailing without being overpowered in fresh conditions. The comfort ratio of 21.86 indicates a motion that favors seaworthiness over racing-oriented quickness. With its hull speed of just over 7 knots and robust construction, the Bonaventura 36 suits sailors seeking a capable coastal cruiser or weekend boat that can handle extended passages when properly equipped and maintained.
No owner reviews yet — be the first to share your experience with this boat.
What is the Bonaventura 36's sail area to displacement ratio?
The Bonaventura 36 has a Sail Area to Displacement ratio (SA/D) of 22.79. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.
What is the Bonaventura 36's comfort ratio?
The Bonaventura 36 has a Ted Brewer Comfort Ratio of 21.86. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.
Is the Bonaventura 36 safe for offshore sailing?
The Bonaventura 36 has a Capsize Screening Formula value of 2.18. Values under 2.0 are considered acceptable for offshore sailing; under 1.8 is ideal.
What is the hull speed of the Bonaventura 36?
The theoretical hull speed of the Bonaventura 36 is 7.08 kn knots, calculated from its waterline length.
How much does a Bonaventura 36 weigh?
The Bonaventura 36 has a displacement of 12,363.52 lb and a length overall (LOA) of 35.01 ft.
Who designed the Bonaventura 36?
The Bonaventura 36 was designed by Sciomachen, first built in 1970.