PILOT HOUSE 4100 SPORT INTERNATIONAL Boat Sales - Manufacturing Motor Yachts That embrace style, performance and affordability. From the International Series - Jefferson's Grand flagship - to the Marlago FS Series - the ultimate fishing machine for today's versatile fisherman. Jefferson Yachts is at the forefront of the motor yacht revolution. FS35 SPORT MARQUESSA FS31 SPORT RIVANNA 50' - 58' ...