RedactedNarrative: Operator was operating vessel FL 3575 CU a 21ft fiberglass, vee hull, remote steering, open motor boat on plane at an estimated speed of 15 to 20 mph, headed SE in the MRGO. Single passenger on board was seated in front of center console facing rearward. The incident during night time hours, approximately 8:30 p.m. Subject stated that he was returning to the boat launch in Shell Beach and believed that he was headed in the right direction when he struck a line of rocks.  Operator stated that he did not see the rocks before the collision.  The vessel crossed over the row of rocks