RedactedNarrative: Motor Yacht Bethesda was transiting the Chesapeake and Delaware Canal west bound. Upon exiting the canal the vessel began cruising south bound in the Delaware River east of the Reedy Island and Reedy Island Dike. The operator steered the vessel west with the intention of anchoring south west of the Reedy Island. The operator struck the Reedy Island Dike approximately 100 yards south of the ISO 6s 20ft marker. The vessel struck the dike at approximately 1830 hours. The vessel took on water rapidly and sunk within approximately 20 minutes. All 6 persons on board exited the vessel safely on to a life raft. All 6 persons on board were transported to land by first responders. No injuries were reported.