RedactedNarrative: Vessel #1 was traveling northwest from the Gulf of Mexico and attempted to enter into Perdido Pass. Vessel #1 struck an underwater sea wall near the mouth of the pass, damaging the hull and transom area. The vessel then began to take on water. ALEA Marine Patrol arrived on the scene and was able to tow the vessel back to the owner''s residence. The vessel was then placed on a lift where it was inspected for damage. The owner / operator of the vessel, stated it was his first time attempting to return through the pass and was unfamiliar with the area. No injuries were reported.