RedactedNarrative: ON 05-28-2016 AT APPROX. 1700 HOURS, THE OPERATOR OF BOAT #1 WAS BACKING OFF THE BEACH AT SIGN #9 IN THE BRIDGEWATER CHANNEL WITH THE ASSISTANCE OF UNKNOWN PEOPLE ON THE BEACH (PUSHING BOAT OFF THE BEACH). THE OPERATOR OF BOAT #1 WAS INEXPERIENCED WITH THE BOAT AND INPUT THROTTLE AS BOAT #2 WAS HEADED NORTH BOUND APPROACHING THE AREA OF SIGN #9. THE OPERATOR OF BOAT #1 REDUCED THROTTLE AND COLLIDED WITH BOAT #2 CAUSING DAMAGE TO THE GEL COAT AND MOLDING ON BOAT #2 (PHOTO'S TAKEN). AT THIS PARTICULAR TIME, THE CHANNEL HAD HEAVY TRAFFIC DUE TO A HOLIDAY WEEKEND AND LIMITED BOAT #2 MANEUVER OPTIONS.