Irwin 33 Mkii

Designed by Ted Irwin and built by Irwin Yachts starting in 1976, this 33-footer represents solid American cruising boat construction from the disco era. The Mark II featured refinements over the original Irwin 33, incorporating lessons learned from the builder's growing experience in the fiberglass sailboat market. With a displacement of 11,950 pounds and 4,200 pounds of ballast, this masthead sloop strikes a reasonable balance between performance and comfort. The fin keel with spade rudder configuration provides responsive handling, while the 27.5-foot waterline length delivers a theoretical hull speed of 7.03 knots. The boat's 489 square feet of sail area creates a moderate sail area-to-displacement ratio of 15.02, suggesting decent performance without being overly demanding to handle. The comfort ratio of 25.46 places this design firmly in cruising boat territory rather than racing, while the capsize screening formula of 1.96 indicates reasonable stability for coastal and protected offshore sailing. Irwin Yachts built affordable cruising boats that appealed to middle-class sailors seeking their first larger sailboat, and the 33 Mark II continues that tradition with practical accommodations and straightforward sailing characteristics suited for weekend cruising and short coastal passages.

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