RedactedNarrative: The operator of Vessel #1 was traveling W/B in the Back River from Rocky Point. During travel, Operator 1 advised the he heard a loud noise and then something came off the port side engine area of the PWC.  The PWC was then disabled and started sinking.  The PWC was towed back to Rocky Point Park via Chesapeake Marine.  The owner of the vessel advised that it was possible the vessel struck a submerged object or had a de-laminating recall issue.