THE OWNER OPERATOR OF UNIT 1 PWC WAS TRAVELING NORTH ON THE ICW AND INTENTIONALLY ATTEMPTED TO JUMP THE WAKE OF TWO YACHTS TRAVELING SOUTH ON THE ICW. DUE TO THE SIZE OF THE WAKE AND SPEED OF THE UNIT 1, UPON LANDING UNEVENLY, BOTH OCCUPANTS OF UNIT 1 WERE INJURED AND THROWN FROM THE PWC.BOTH WERE RECOVERED BY A CONCERNED CITIZEN/WITNESS AND TRANSPORTED TO IOP MARINA FOR CARE BY IOPFD THEN TRANSPORTED TO EAST COOPER ER IN MT PLEASANT.