2004 mastercraft MARISTAR SERIES 280 STS 28This very clean 2004 Mastercraft Maristar OBSki Boat is powered by twin Indmar 5.7 V-8 motors and has a V-Drive. It comes loaded with a Bimini, Porta Potty, Stereo System, Extended Swim Step, Spacious Seating, and lots of storage areas. It rides on a triple axle trailer.