Design and Construction
The Rafiki 37 carries robust fiberglass construction with a balsa core in both hull and deck, wrapped in an abundance of handcrafted teak that defines its interior and trim. At 36.75 feet overall with a 32-foot waterline, an 11.97-foot beam, and a displacement of 26,500 pounds balanced by 11,500 pounds of lead ballast, the boat sits firmly in the "ultra heavy cruiser" class by displacement-length ratio (361). That ballast ratio of 43 percent is higher than 69 percent of comparable designs, and the Motion Comfort Ratio of 44.6 means the hull proves more comfortable in a seaway than 99 percent of similar sailboats. The long-keel hull with a cutaway forefoot and a large, protected skeg-hung rudder gives the directional stability expected of a voyaging boat, while the 6-foot draft keeps it to major-marina access only.
Rig and Handling
The Rafiki 37 is built with a cutter rig, and the sail-plan data show a modest reference sail area driving the SA/D of 13.1, rising to 15.5 with a 135 percent genoa. The yachtdatabase review notes the boat is significantly underrigged and carries more rig than only 15 percent of similar sailboats, with the SA/D indicating it is faster than just 12 percent of peers in light wind. The theoretical hull speed is 7.6 knots. The cutter's working sails include a 364.9-square-foot mainsail and a staysail of 128.25 square feet, while the offshore inventory extends to a 439-square-foot genoa and a 972-square-foot asymmetrical spinnaker. Recommended control lengths run to a 32.9-meter mainsail halyard and a 28-meter mainsheet, details that matter when rerigging.
Accommodations and Cruising Provisioning
Inside, the teak-rich cabin is served by 738 liters (195 gallons) of fresh water and 473 liters (125 gallons) of diesel, volumes that support extended independent cruising. The 3.07 length-beam ratio makes the Rafiki more roomy than 69 percent of similar designs, a real asset for liveaboard layouts. The immersion rate of about 238 kilograms per centimeter (1,335 pounds per inch) tells the owner how little the boat settles under loaded provisioning — a calm platform when the tanks run full.
The Verdict
The Rafiki 37 is a purpose-built offshore cruiser from the Taiwanese craft tradition: heavily ballasted, deeply comfortable, and teak-laden, but lightly rigged for its displacement and limited to deeper harbors by its long-keel draft. With only 55 built, it remains an uncommon find for the sailor who values seaworthiness over speed.
Pros
- Ultra-heavy-displacement hull with 43 percent ballast ratio for offshore stability
- Motion Comfort Ratio surpasses 99 percent of comparable cruisers
- Generous 195-gallon water and 125-gallon fuel capacity for self-sufficient voyaging
- Handcrafted teak interior with above-average beamy spaciousness
Cons
- Significantly underrigged; slow in light air versus most similar designs
- 6-foot draft restricts access to shallow marinas and anchorages
- Only 55 built, limiting brokerage availability and spares familiarity








