South West Rocks is the home of one the
best dive sites in Australia
Fish
Rock Cave is one of Australia's highly rated dive site which is one of the very
special places we visit regularly but the Cave is just the beginning of the
great diving around South West Rocks. The surrounds of Fish Rock offer some
spectacular dives and opportunities to view the abundant marine life that
congregates around the Rock.
Grey nurse sharks
The
Grey Nurse shark is an ancient and docile species, but unfortunately is rare and
endangered. Fish Rock is one of the few diving sites in Australia where Grey
Nurse sharks can be found most of the year round.
Humpback whales.
During winter time they also have Humpback whales. Imagine watching the
nurses cruise around the gutters at Fish Rock with whales singing in the
background. It does happen.
fish rock cave: depth 14 to 24 metres
Deep cave entrance
The craggy island of Fish Rock gives no indication of the splendour that lies
underneath. At 120 metres long, and well known as one of the largest ocean
caverns in the southern hemisphere, FISH ROCK CAVE has attracted divers
worldwide. Enter the deep end of the cave at a depth of 24 metres where
thousands of bullseyes hang suspended.
Cross Section Diagram of Fish Rock Cave.

Large
cuttlefish
Swim into the tunnel entrance over huge wobbegong sharks and a large bull ray
resting on the bottom. You’ll pass by clusters of live cowry shells, a large
Spanish dancer, bryozoan lace coral and sea cucumbers to name but a few.
Ascend up one of the two vertical chimneys with only your torch light
piercing the darkness, and see the many glowing eyes from hundreds of painted
crayfish following your progress. At the right time of year, giant cuttlefish
lay their eggs in the cave and the huge male is a spectacular sight with his
colours flashing. Pop up into the bubble cave for a quick chat before emerging
into the light zone.
Shallow cave entrance
The shallow end usually stops people in their tracks. The deep blue opening
is a vision people have seen in many photographs, magazines and books and it
still doesn’t prepare them for the spectacular beauty. Silhouetted in the
opening are thousands of bullseyes, gorgonian coral fans, trumpet fish, black
cod and many other species of fish.
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