Lord Howe Island (Tasman Sea, between Australia and New Zealand)
World Heritage-listed Lord Howe Island is located in the middle of five major ocean currents. You can experience mix of temperate, tropical and sub-subtropical species, with more than 500 fish species and 90 coral species. There’s also Balls Pyramid Castle situated 20km south-east of the island. Most popular species to encounter is kingfish, silver drummer and amberjack. You might also see some dolphins, wahoo, Ballina angelfish (Chaetodontoplus Ballinae), and marlin.
Fish Rock Cave (Smoky Cape, South West Rocks)
Fish Rock is located in the middle of a 125 meters long cave, which you’ll enter at a depth of 24 meters. The cave offers you an exciting swim through the cave’s most confined sections, as well as finishing in a 12 meters deep cavern where you can find dangerous species of grey nurse sharks (Carcharias Taurus).
Cod Hole (Great Barrier Reef, Ribbon Reef)
Code Hole is the most popular diving spot to find Potato Rockcod (Epinephelus Tukula). These species are giant looking fishes which can grow up to 2 meters. You might also encounter other sizeable species like moray eels, humphead Maori wrasse (Cheilinus undulatusgiant clams), whitetip reef sharks (Triaenodon Obesus) and rarely dwarf minke whales.
Ningaloo Reef (East Indian Ocean, Perth)
The largest fringing coral reef known in Australia, which is the largest found reef in the world close to a land mass. Ningaloo Coast has over 300 coral species alongside with over 700 fish species. The Elbow site offers you to view green turtles, moray eels, reef sharks, reef manta rays (Manta Alfredi) and flowery rockcod (Epinephelus Fuscoguttatus).
Neptune Islands (South Australia)
If you are ready to take a risk to see a great white shark (Carcharodon Carcharias), South Australia’s Neptune Islands cave diving offers you this chance. And the best part about it that you don’t need any diving experience to participate in this amazing cage diving. But the weirdest part of it is those sharks are attracted by AC/DC music from the surface of the ocean. If you are lucky enough to be a qualified diver, you get a chance to dive deep in to the the ocean floor.
Tasman Peninsula (South Eastern Tasmania)
Swimming amid giant kelp forests, up to 20 meters deep are the most glorious part of Tasmanian Peninsula. The site is also well known for exploring the extensive cave system at Waterfall Bay. And if you really like to see larger sea creatures, by visiting Cape Hauy you might encounter New Zealand and Australian fur seal.
Flinders Reef (Moreton Island)
Flinders Reef is most popular with its uncountable number of fish species including 119 species of coral and 175 species of fish. The site includes pinnacles and swim-throughs. Every once in a while green turtles (Chelonia Mydas) gather around turtle cleaning station for dusky surgeonfish (Acanthurus Nigrofuscus) to help them get rid of parasites and algae.
Rowley Shoals Marine Park (West of Broome)
Located 300km west of Broome, on the edge of Australia’s continental shelf. Rowley Shoals Marine Park offers you three pear-shaped coral atolls, as well as 688 fish species and 233 coral soecies. You can also find sharks, pristine coral, humpback whales in the crystal water.
Rapid Bay Jetty (Fleurieu Peninsula)
One of the most popular diving spot for sightings of Australia’s two sea dragon species: the weedy sea dragon (Phyllopteryx Taeniolatus) and the leafy sea dragon (Phycodurus Eques). This 240 meters long jetty includes a launching platform for divers to follow the underwater trails to the abundant marine life.
Port Phillip Heads Marine National Park (Port Phillip)
Port Phillip Heads Marine National Park is home to several popular dive sites as Lonsdale Wall (1 kilometer long, 15-90 meters deep in the ocean floor). The site is very famous for tourists and divers to many species even from the surface of the ocean. Those includes a manmade, octopus, Pope’s Eye, seals and gorgonian corals. However, if you dive deep to 30 meters of Portsea Hole, you can encounter variety of shelters of many more species like blue devil fish (Paraplesiops Meleagris).