The big filter feeders: manta cleaning stations at Lady Elliot, Coral Bay, Lady Musgrave and North Stradbroke, and whale sharks at Ningaloo (March–July) and Christmas Island (November–January).
26 sites
Cocos (Keeling) Islands · External Territory
Old cannons among Porites corals on sand, with garden eels and gobies – and a chance of dugong, dolphins and mantas.
Christmas Island · External Territory
Arguably Australia's best shore dive: a pristine coral slope and wall 50 m from the car park, endemic and hybrid reef…
A fast, coral-lined drift channel from the ocean into the lagoon, full of sharks, humphead parrotfish and Napoleon…
A sheer, effectively bottomless wall reached from the beach, with trevally, reef sharks and seasonal whale sharks.
Coral Sea · External Territory
A coral village of huge bommies with a centuries-old anchor in a swim-through, flashlight fish at night and a sheer…
Osprey's most challenging drift, where current brings barracuda, hunting predators and mantas to a cleaning station.
A sea cave big enough to park the boat in, with a floor carpeted in plate corals and colourful whips on the walls.
Spectacular bommies and blue-water swim-throughs in a blind gully, with schooling trevally and barracuda and dense grey…
An easy one-way drift from drop-off into a lush coral garden, often linked with Submarine Rock.
A shallow manta cleaning station at about 9 m where Cocos' resident reef mantas come in to be cleaned, with excellent…
A solitary coral bommie rising from sand, with a dense garden eel colony and outstanding photography on the summit.
Australia's most famous shark dive – 10–30 reef sharks around a controlled feed in a 12 m amphitheatre at the top of a…
A sheer drift along a wall dropping more than 1,000 m, with caves, overhangs, mantas and tuna.
A true vertical wall into the abyss at the island's north-western tip, with colourful fans, schooling fish and a real…
Scenic ledges, boulders and a drop-off on the east coast – a wet-season refuge when the north coast is blown out.
Coral slope, sheer wall and a quarry-like ramp, with schooling grey reef sharks and some of the island's closest whale…
Caves along Osprey's walls, especially good in the late afternoon and at night.
A submarine-shaped reef and 50 m drop-off with healthy boulder corals and passing mantas, eagle rays and grey reef…
Two parallel coral ridges shaped like an upturned catamaran hull; a regular spot for manta rays and, historically, the…
Shallow coral reef with anemone fields off a remote rainforest beach, where whale sharks and dolphins are regular…
A vertical north-coast wall with exceptionally large gorgonian fans below 33 m.
Rated one of the island's best shark dives, with open-ocean pelagics and 40 m+ visibility at the south-west corner of…
Entrance zone of one of Christmas Island's largest submarine cave systems, with overhangs, gullies and light shafts.
Typical north-coast reef and wall with dense fish life, next to the Lost Lake caves.
Sandy reef ledges with sleeping reef sharks and dense schools – the gentler companion dive to Perpendicular Wall.
An exploratory east-coast headland with a steep drop-off – rarely dived.
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