A Hobie Cat is a small sailing catamaran

Catamaran

A catamaran is a type of multihulled boat or ship consisting of two hulls, or vakas, joined by some structure, the most basic being a frame, formed of akas...

 manufactured by the Hobie Cat Company. Begun as a manufacturer of surf boards in the late 1950s, Hobie (named after Hobie Alter, the company's founder) began manufacturing catamaran sailboats in the late 1960s and has become the largest manufacturer of small catamarans in the world. Today, Hobie's line of products ranges from surf boards to catamaran sailboats to kayaks, though the Hobie Cat Company is most famous around the world for its catamarans.