Catamaran

A multi-hull vessel with two parallel hulls connected by a bridgedeck, valued for stability and interior space.

A catamaran is a multi-hull vessel consisting of two parallel hulls of similar size connected by a bridgedeck. Because the weight is distributed across two hulls, catamarans are inherently more stable than monohulls, have shallower drafts, and offer dramatically more interior and deck space for a given length.

Sailing catamarans dominate the multi-day charter market in the Caribbean and Bahamas. Power catamarans are a growing segment in South Florida for party charters and corporate events because the wide deck and stable ride are well-suited to passengers who aren't regular boaters.

Catamarans trade some upwind sailing performance (vs. a monohull) for living space and stability. The flat bridgedeck can also "slam" in steep seas if the clearance is marginal — an important spec to understand before chartering offshore.

Examples

A 45-foot sailing catamaran with 4 cabins and 4 heads, typical for a Bahamas crewed charter.
A 40-foot power catamaran running Miami party charters with a wide sun deck and twin diesels.

Related Terms

Monohull—A vessel built on a single hull — the traditional design for most yachts, sailboats, and powerboats.Sailing Yacht—A yacht propelled primarily by sail, typically with auxiliary engine power for maneuvering and calm-wind passages.Motor Yacht—A yacht propelled by engine, typically purpose-built for comfort, speed, and amenities rather than sailing performance.Draft—The vertical distance between the waterline and the deepest point of a vessel's hull or keel.Beam—The widest measurement across a vessel's hull, perpendicular to its length.

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