For the wide lens: clear water, big animals and structure. Wrecks, walls and pinnacles with 20 m-plus visibility and sharks, rays, seals or schooling fish recorded.
Updated daily from the directory. 30 sites listed.

1. 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.

2. Cocos (Keeling) Islands · External Territory
All-levels wall with a blooming coral reef top and big orange gorgonians deeper; snapper schools at full moon and bumphead parrotfish in summer.

3. South West Rocks · NSW
A 125 m swim-through under an island with grey nurse sharks stacked in the gutters at each end. Australia's best-known ocean cave dive.

4. 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 fish, and whale sharks passing the drop-off in season.

5. Port Douglas · QLD
A 24 m exposed wall on one side and a sheltered coral garden on the other; one of the better Agincourt sites for sharks and big groper.

6. Lady Elliot Island · QLD
A soft-coral-covered admiralty anchor at 19 m beside a manta cleaning bommie rich in macro life.

7. Port Douglas · QLD
Circling barracuda school over a coral pinnacle; excellent snorkelling on the shallow garden around it.

8. Port Douglas · QLD
Double-sided bommie with a sea-fan wall on a deep channel, a sheltered clam garden, and a very friendly Maori wrasse.

9. Forster & Seal Rocks · NSW
A major grey nurse shark aggregation site — the Eastern Gutter has recorded more than 40 sharks at once — with a genuine multi-level dive profile to 45 m.

10. Ribbon Reefs & Lizard Island · QLD
The Ribbon Reefs' famous potato cod site, where 1 m cod approach to within touching distance.

11. Cairns · QLD
A 30 m wall with swim-throughs and overhangs beside a shallow garden of staghorn and plate corals; a favourite liveaboard night dive.

12. Lady Musgrave & Bunker Group · QLD
A drift past flower-like plate and foliose corals at the lagoon mouth, where tidal flow brings sharks, rays and trevally.

13. South West Rocks · NSW
The primary grey nurse shark viewing gutters at Fish Rock — sit on the rim and watch a dozen or more sharks cruise past at close range.

14. South West Rocks · NSW
A shallow, fish-dense reef around the Turtle Hole with long bottom times, resident turtles and some of the best all-round marine life at Fish Rock.

15. North Stradbroke Island · QLD
A protected rock complex with four sites – coral gardens, turtle caves, a deep coral bowl and a winter grey nurse shark aggregation.

16. Brisbane & Moreton Bay · QLD
The most diverse coral reef in Moreton Bay, an hour from Brisbane.

17. Port Douglas · QLD
Instructors' favourite garden of pinnacles regularly visited by juvenile grey reef sharks and occasionally mantas.

18. Lady Elliot Island · QLD
A spectacular eastern wall with a 16 m cleaning station where mantas or silvertip sharks circle.

19. Geographe Bay & Busselton · WA
A 113 m destroyer escort scuttled off Dunsborough in 1997 with easy penetration and resident schools of fish.

20. Ribbon Reefs & Lizard Island · QLD
The classic dwarf minke whale site in June–July, and a pinnacle packed with fish, turtles and sea snakes all year.

21. Lady Elliot Island · QLD
The manta cleaning station on the southern Great Barrier Reef, May to August.

22. Forster & Seal Rocks · NSW
A complex, circumnavigable rock reef under 20 m with reliable grey nurse sharks and a strong resident bull ray population.

23. North Stradbroke Island · QLD
Stradbroke Island's summer manta and leopard shark site.

24. Lady Musgrave & Bunker Group · QLD
Lady Musgrave's flagship drift over scattered bommies that act as manta cleaning stations, with sharks, rays and turtles along the way.

25. Lady Elliot Island · QLD
A bommie off the wall full of nooks where turtles rest, patrolled by grouper and whitetips.

26. Port Douglas · QLD
Stunning 24 m pinnacle draped in fans and soft corals, circled by sharks, barracuda and schooling fish – regarded as one of the best dives out of Port Douglas.

27. Ribbon Reefs & Lizard Island · QLD
A small pinnacle packed from top to bottom with fish and critters, including the flashing 'disco clam'.

28. Lady Elliot Island · QLD
A coral-encrusted 16 m yacht on sand at 21 m, home to sweetlips and grouper, with mantas passing overhead.

30. Lady Elliot Island · QLD
A northern wall with some of the island's best coral cover and clearest water, rich in morays and macro subjects.
Visibility above 20 m, something large to frame (a wreck, a wall, a shark) and light: shallow tropical reefs at midday or temperate sites on a winter high-pressure day.
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