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Diving Guide > Australia > Coral Sea (Holmes Reefs) - Cairns, Queensland , Australia Scuba Diving Guide


Australia Coral Sea Reef Bird Eye (Holmes Reef) dive map Coral Sea Reef (Holmes Reef) dive map

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While Coral Sea Reefs maybe Great Barrier Reef closest neighbours, diving in these two areas are actually quite different. Reefs at Coral Sea are well known for their residents shark, pelagics action and gin clear water. To know more details on Coral Sea Reefs, please visit our Coral Sea Reefs scuba diving guide. In this page, our attention is on Holmes Reef of Coral Sea Reefs group.

Holmes Reefs lie just next to the Cairns Section of Great Barrier Reef. It is about 220km away from Cairns and is one of the Coral Sea Reefs that can be visited by day trippers. However, short liveaboard trips are still the preferred mode for visitors. The size of this reef system is about 450 sq km. The reef structures consist of two reefs and two sand banks. These sand banks break sea surface during low tide. At Holmes Reefs, divers will find shallow sheltered lagoons as well as reef walls that drop more than 1500m to the Coral Sea floor. Along the shelter lagoons, there are caverns, caves and tunnels all waiting to be explored.

Dive Sites around Coral Sea (Holmes Reefs)


  • Big eye trevally Nonki
    This site contains 3 large pinnacles rising from a depth of 30m to less than 5m from the sea surface. There are caves and ledges on these pinnacles that are packed with healthy soft corals and gorgonians. There are many resident reef fish at this site. Lionfish, angelfish, rock cod and a massive school of big eye trevally can always be seen. There are also plenty of molluscs and nudibranchs to add extra colors to this reef.




  • Amazing
    This is a cave diving site. There are dozens of caves here, most of them are located in depths between 10 and 20 meters. In these caves, divers can find squirrelfish, cardinalfish and rock lobsters. Outside the cave, the usual reef fish make their appearances.

  • Golden Wall
    One of the best wall dive in the Coral Sea, the wall here drop into a depth of more than 1000m below. On the wall, there are plenty of soft coral, large gorgonians, sea whips and spiky soft coral trees. Small reef fish find shelter along the wall while pelagic, surgeon fish, grey reef sharks and whitetip reef sharks cruise in the water along this wall.

  • Leopard shark Leopard Lair
    Leopard Lair consist of a large pinnacle sitting on the sandy bottom of the shallow lagoon. Resident Leopard Sharks can be seen lazing on the bottom during the day. The pinnacle itself has good hard and soft coral growth.

  • Predators' Playground
    At this site, some operators do sharks feeding in the safety of a cage. Divers will gather inside a floating cage which is lowered into the water. Baits are used to draw sharks to the cage. At anytime, dozens of sharks will appear and move in for the feeding. Grey Reef Sharks and Whitetip Reef Sharks are the usual guests at these dinner invitations.

Best Time to Dive in Coral Sea (Holmes Reefs)


The best time to go to Coral Reefs is from March to December.

Where to Stay in Cairns


Divers hoping to visit Coral Sea Reefs (Holmes Reefs) should based themselves in Cairns.

Cairns is a well-developed tourists town that caters to all sorts of travellers. There are many fun filled activities for everybody and even a Casino for people who wants to try their luck.

For accommodation recommendation in Cairnslas, refer to our Great Barrier Reef (Cairns) - Where to Stay in Cairns and Port Douglas
See a complete listing of Cairns Hotels and Accommodations

How to get to Cairns


Cairns has an International Airport, from the airport, transport to hotels either in Cairns or Port Douglas can be easily arranged. Cost of transportation is about A$30 per passenger for mini-vans.

Thereafter, there are many diving operators in Cairns that provide liveaboard trip to Holmes Reefs.

Major airlines offering daily flights to Cairns include

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