RedactedNarrative: THE OPERATOR OF A RENTED PERSONAL WATERCRAFT AND TWO PASSENGERS FELL OFF VESSEL IN GULF OF MEXICO APPROXIMATELY 200 YARDS OFFSHORE IN THE CITY LIMITS OF TREASURE ISLAND. ALL THREE SUBJECTS ATTEMPTED TO CLIMB BACK ON THE PERSONAL WATERCRAFT SIMULTANEOUSLY ON THE REAR PLATFORM (STERN) AND SWAMPED THE HULL OF V1. OPERATOR AND PASSENGERS DID SWIM TO SHORE WITH NO REPORTED INJURY LIVERY DID RECOVER VESSEL FROM WATER. CONTRIBUTING FACTORS WAS A MISSING SEAL/GASKET LOCATED BETWEEN SEAT AND ENGINE COMPARTMENT AND OPERATOR INEXPERIENCE. LIVERY OPERATOR STATED THEY WILL BE RESPONSIBLE FOR REPAIRS.