Designed by Kirke Leonard and first launched in 1971, this lightweight catamaran represents an early foray into affordable multihull sailing for recreational sailors. With its fiberglass construction and twin centerboard configuration, the Sea Spray 18 offers the classic catamaran advantages of shallow draft capability and impressive stability, making it well-suited for coastal cruising, day sailing, and exploring shallow waters where monohulls fear to tread. The boat's fractional sloop rig with rotating mast reflects the performance-oriented thinking of the early 1970s multihull movement. At just 320 pounds displacement, this is clearly a boat built for speed rather than load-carrying, with a high sail area to displacement ratio that promises exciting sailing in moderate conditions. The generous beam provides excellent stability and deck space for an 18-footer, while the shallow 2.33-foot draft opens up countless anchoring possibilities in protected bays and coastal areas. Prospective owners should expect lively performance and easy trailering, though the light displacement means this catamaran is best suited for protected waters rather than serious offshore passages. The rotating mast system, while efficient, may require more maintenance attention than conventional rigging.

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