RedactedNarrative: After reading witness statements and talking to the operator, Operator was operating the jet ski at an excessive speed and hit some rocks. Operator did not see the rocks once he realized he was about to hit the fixed objects he could not steer out of the collision fast enough. The jet ski hit the rocks at approximately 10 mph causing substantial damage to the port side as well as numerous spots on the hull. Individual was able to drive the machine back to the dock to be assessed by the rental company. Multiple spots in the fiberglass were damaged, some may even be beyond repair. See attached photos.