Coast Guard Sector Long Island Sound Command Center was notified at approximately 5:20 p.m., via VHF Channel 16, that a 38-foot pleasure craft was tipped over with the motor still running and six mariners in the water just south of the Greenport Ferry North Terminal. Petty Officer 3rd Class Patrick O’Halloran, 27, a boatswain’s mate at Station Chatham, was nearby on a private vessel and was the first on scene just 4 minutes later, to assist the mariners out of the water. “I’ve been in the Coast Guard for three years and it was unreal watching this happen in front of me,” said O’Halloran, a Shelter Island, N.Y., native. “I realized I needed to make sure they were safe and that the boat was away.