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Edith Breaker and Jimmy’s Cave

Depth : 10m to 34m

 Located South East of the headland at Seal Rocks, Edith Breaker is a rock reef covering over 200 square meters.  There is no problem catching an anchor on this site.  Depth ranges from 10 meters at the top of the underwater ridge, to 34 meters inside the cave system.


Edith Breaker is an extensive rock reef covering over 200 square meters and riddled with pits, gutters, swim throughs, and an extensive cave system.  Patches of soft coral growth alternate with waving kelp gardens, and occasional black coral.


The rocks and reefs off Seal Rocks, including Edith Breaker, have been known as a deadly shipping hazard since Australia's earliest days.  At 12.15pm on 20 April 1910 the S.S. Satara stuck Edith Breaker and sank below the surface at 1.10pm despite the efforts by Captain Hugill and his crew to reach the nearby shore.


Now, Edith Breaker is known as an amazing dive site, with enormous black cod, dozens of lobsters resident in its extensive cave system, and has been identified as a grey nurse shark aggregation site.  Nudibranchs, moray eels, wobbygong sharks, Port Jackson sharks, blue grouper, jewfish, and schooling pelagics are found in huge numbers.


It is unlikely you will be able to see all of Edith Breaker on a single dive.  There are many routes around the reef.  Underwater navigation techniques will help keep track of the anchor line, but in case you need to surface away from the anchor line make sure you carry a surface marker bouy to signal the boat. 


Edith Breaker is exposed to the prevailing swell conditions, but is somewhat sheltered from the worst of the East Australian Current by the headland to the North.


Visibility is generally good, and may be crystal clear as far out as 30 meters.

Temperature ranges from 18 to 24 degrees.


Jimmy’s Cave


The entrance to Jimmy’s Cave is a vertical chimney running from the rubble pile at 24 meters depth, down to the main cave at 35 meters depth. 


From the bottom of the chimney a tapering crack boast lobsters, shrimp and other creatures.  In the opposite direction is the passage through the Jimmy’s Cave.   There are three exits between 35 and 27 meters depth, and a fourth exit by why of another chimney running from 27 meters to 15 meters depth.


Jimmy’s Cave is an excellent cave dive, but it is still a comparatively deep, fully enclosed cave dive and should not be attempted without a guide and at least an Advanced Open Water licence.


The Trench


There is a deep gutter running 50 meters in a North to South direction, and ranging from 20 to 40 meters depth. If you follow the trench heading South there is a large black coral at about 25 meters depth.


Interlinked Caves


There are two ocean caves in 33 meters both with an entrance/exit very close together.