VESSEL 1 WAS A 21" MALIBU OPEN MOTORBOAT WITH 1 PERSON ON BOARD.  OPERATOR WAS RETURNING TO A RENTAL HOUSEBOAT JUST INSIDE THE NARROWS AFTER GETTING FUEL FOR HIS VESSEL.  OPERATOR GOT BACK TO THE ENTRANCE OF THE NARROWS BETWEEN BOATHOUSE COVE AND MIDDLEPOINT COVE WHEN HE STRAYED TOO FAR TO THE NORTH.  OPERATOR STATED IT WAS GETTING DARK AND HE WAS UNABLE TO SEE THE ENTRANCE TO THE NARROWS CLEARLY, HE SAW THE ROCKS IN FRONT OF HIM AND THROTTLED DOWN.  DIRECTLY AFTER THROTTLING DOWN THE VESSEL RAN UP ONTO THE ROCKY BEACH TWO-THIRDS OF THE WAY OUT OF THE WATER.  THIS OCCURRED AT APPROXIMATELY 1920 HOURS, OPERATOR WAS UNABLE TO MAKE CONTACT WITH ANYONE VIA HIS CELL PHONE OR MARINE BAND CHANNEL 16 AND SPENT THE NIGHT ON SHORE.  OPERATOR WAS RESCUED OFF THE BEACH BY NPS VESSEL ON 9/22/2009 AT APPROXIMATELY 1015 HOURS AND WAS BACK AT THE COURTESY DOCK AT THE MARINA BY 1100 HOURS.  NO INJURIES WERE REPORTED.  ESTIMATE DAMAGE TO VESSEL 1 $5300.00 SCOPE OF DAMAGE IS UNKNOWN, DAMAGE WAS CONFINED TO THE BOTTOM OF THE VESSEL.
BOULDER CITY                  