Just one...unless it is a catamaran, then it has two to three.
Wiki User
∙ 13y agoThere are many variants: Some single-hulled sailboats have V-hulls, while others are flat-bottomed. Others are twin-hulled and these are called catamarans. Yet others are called trimarans because they have THREE hulls.
A trimaran has 3 hulls.
Most modern sailboat hulls are made from fiberglass or a fiberglass type, it's strong and light, relatively cheap (or one of the cheaper options for hull materials) and can be commonly found wherever you cruise around the world.
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Two hulls - catamaran Three hulls - trimaran
A trimaran has 3 hulls, a main hull and two smaller outrigger hulls.
Two. If it has three, it would be a "tri-maran".
two. sail - boat.
Sailboat racing