RedactedNarrative: Vessel #1 was northbound enroute to shoreline of northshore when vessel #1 was going to beach vessel on shoreline.   Passenger#1 jumped overboard prior to vessel #1 landing on northshore shoreline.  At which passenger #1 thought that the water was deeper than it was. When passenger #1 jumped overboard in shallow water passenger #1 was injured in his lower extremity causing him to seek medical treatment past first aid. Point of contact was with floor of the lake approximately 450 yards west of northshore boat ramp and 10ft. South of waters edge of northshore shoreline. Passenger #1 was loading back into vessel #1 and transported to hicks mt. Boat ramp.