Catamarans offer two boats (hulls) in one. Catamarans are now the most popular vacation charter yacht. Some features are: a wide beam designed to offer near equal staterooms, and a forward trampoline space for lounging and sunning. Catamarans are ideal for first time yacht vacationers. Power Catamarans are now popular offering both comfort and speed. *Fuel costs on sail catamarans are minimal and usually included in the charter fee.