This would be the most popular dive site at the Julian Rocks. An underwater swimthrough
about 30 metres from the north eastern tip of the rocks. The Cod Hole opens up at about 15 metres with an entrance about 4
metres by 5 metres, and slopes downward and away to the open sea to a depth of 21 metres. It is the haunt of big moray eels,
wobbegongs, blue gropers, grey nurse sharks and other large fish.
