RedactedNarrative: On June 29, 2019 Operator was operating LA 3743FJ, a 21 foot Sea Pro bay boat, with four passengers in West Cote Blanche Bay.  At approximately 6:30 a.m. while trying to enter what Operator thought was Worm Bayou on Marsh Island WMA in Iberia Parish, LA 3743FJ struck the western most rock jetty adjacent to Worm Bayou, disabling the vessel's outboard engine. Damage to the hull of the vessel was also observed.  No injuries were reported, PFD's were used, and alcohol and/or drug use is not suspected.  On 7/24/19 Operator was issued citation number for being in violation of LA RS 34:851.4 Careless operation after it was discovered he traveled between two pilings with signs warning boaters of the presence of the rock jetty.