Tom and Eileen Lonergan were both in their early 30s when they went missing in Australian waters back in 1998.
American couple Tom and Eileen Lonergan were left behind by their dive boat in waters teeming with sharks.
The deaths of American divers Tom and Eileen Lonergan remain one of the most tragic cases in diving history after they were mistakenly abandoned at sea during a 1998 tour on the Great Barrier Reef.