Stephen O'Connell was last seen on 2 October 2024 via CCTV preparing to depart on his vessel, a white Mariner Cruiser named "No Reply", from the Prince of Wales Bay Marina in Derwent Park, southern Tasmania.  Stephen's vessel was located a short time later, unoccupied, in waters off Kingston Beach.  Extensive land, air and sea searches for Stephen were conducted, but he remains a missing person.

Anyone with information which may assist in locating the whereabouts of Stephen are urged to anonymously contact Crime Stoppers on their website or free call 1800 333 000.