RedactedNarrative: VESSEL 1 WAS TURNING INTO SLIP IN THE MARINA AND WHILE DOING SO THE OPERATOR OF VESSEL 1'S HAND SLIPPED OFF THE THROTTLE WHILE ATTEMPTING TO PUT IT IN REVERSE. VESSEL 1 CONTUNUED FORWARD STRICKING THE BOARDWALK AT THE BASE OF SLIP. AFTER COLLIDING WITH THE BOARDWALK, VESSEL 1 BOUNCED AND STRUCK VESSEL 2 IN SLIP CAUSING SCRAPES TO THE STARBOARD HULL. NO INJURY.