Weekend range
Sites within roughly 120 km straight-line distance of central Melbourne, ordered by how regularly they are dived and how well they are documented.
Everything within about 120 km of Melbourne: the bayside reefs, the Mornington Peninsula piers, Port Phillip Heads, the Bellarine and Western Port. Cold water, world-class macro, and the biggest wreck collection in the country outside the Heads.
February to May is the settled season; the piers work year-round on the right wind.
Updated daily from the directory. 30 sites listed.

1. Melbourne & Port Phillip Bay · VIC
19 km from Melbourne · The sheltered fallback corner of Ricketts Point; profuse fish life over shallow ledges when other bayside sites are blown out.

2. Melbourne & Port Phillip Bay · VIC
20 km from Melbourne · Quietest entry in the sanctuary; very shallow close-in reef for snorkelling, children and relaxed night dives.

3. Melbourne & Port Phillip Bay · VIC
20 km from Melbourne · The central reef of the sanctuary with navigable channels, dense tame fish and the best facilities of any bayside shore dive; the standard Melbourne night and training site.

4. Melbourne & Port Phillip Bay · VIC
20 km from Melbourne · Melbourne's flagship marine sanctuary: eight shallow reef entries, tame fish, sea caves and seagrass twenty minutes from the CBD, perfect for beginners, snorkellers and night dives.

5. Melbourne & Port Phillip Bay · VIC
21 km from Melbourne · The most sheltered and accessible water in the sanctuary, right in front of the teahouse; sand and seagrass critters plus reef edges.

6. Melbourne & Port Phillip Bay · VIC
21 km from Melbourne · Uncrowded shallow reef edge between the teahouse and the life saving club; simple night dive and a good intertidal-to-subtidal study site.

7. Melbourne & Port Phillip Bay · VIC
21 km from Melbourne · Deepest reef in the sanctuary (to 8 m) off a proper beach with showers; the sanctuary's main scuba training site and a fine night dive.

8. Melbourne & Port Phillip Bay · VIC
21 km from Melbourne · The sanctuary's best terrain: undercut ledges and a cave-like hollow under a sandstone headland, with bigger fish and rays; a favourite Melbourne night dive.

9. Mornington Peninsula · VIC
45 km from Melbourne · Deepest of the northern piers with a reef along Schnapper Point; cuttlefish, seahorses and squid; diveable when southerlies blow out everything else.

10. Port Phillip Heads · VIC
57 km from Melbourne · An 1880s fort foundation turned marine reserve: a sheltered inner lagoon packed with tame fish, an outer wall of gorgonians and feather stars to 14 m, nesting gannets overhead and seals dropping in – the most reliable easy dive at the Heads.

11. Port Phillip Heads · VIC
57 km from Melbourne · Purpose-built seal haul-out beside the South Channel where Australian fur seals sleep, spar and come out to investigate snorkellers – the bay's best wildlife stop and a regular surface-interval visit for Heads charters.

12. Port Phillip Heads · VIC
60 km from Melbourne · A 75 m vertical calcarenite wall from 12 m to 27 m with a sand bowl to 33 m, 500 m off Portsea Pier – sixteen sponge species, clouds of perch and Victoria's standard deep-training dive.

13. Port Phillip Heads · VIC
60 km from Melbourne · Multi-site reef in Lonsdale Bight with caves, swim-throughs, a 4 m upright admiralty anchor in 10 m and a 400 m sponge garden along its northern tip – the Queenscliff fleet's most-dived reef.

14. Port Phillip Heads · VIC
60 km from Melbourne · A shallower section of the Lonsdale wall system, with a published 12–25 m range and boat access timed around slack water.

15. Mornington Peninsula · VIC
60 km from Melbourne · Port Phillip's oldest dive pier, with sea dragons and night-dive octopus.

16. Port Phillip Heads · VIC
61 km from Melbourne · Vertical Lonsdale Wall face with a step-out every 6–9 m and a cave-like overhang behind each one, from 12 m to 45 m – the most-dived drop on the wall and usable by every certification level in the same slack.

17. Port Phillip Heads · VIC
61 km from Melbourne · The signature Heads wall, dropping past 40 m under sponge gardens, dived on a 20-minute slack.

18. Mornington Peninsula · VIC
63 km from Melbourne · The best pier dive in Australia: seadragons, cuttlefish, frogfish, seahorses and the spider crab aggregation in May.

19. Mornington Peninsula · VIC
63 km from Melbourne · Seahorses on nearly every pylon, the annual giant spider crab aggregation, big stingrays and superb night diving – all in 7 m from a car park.

20. Port Phillip Heads · VIC
66 km from Melbourne · A 138 m frigate scuttled off Ocean Grove with cut access points at every deck, dived daily in season.

21. Mornington Peninsula · VIC
74 km from Melbourne · Weedy seadragons almost guaranteed in 5 m of water on Western Port.

22. Melbourne & Port Phillip Bay · VIC
42 km from Melbourne · The 1886 'Greyhound of Port Phillip' scuttled as a breakwater – paddle wheel above water, boilers and steering gear in 3 m, with the hulk Dominion alongside; ideal snorkel and training wreck.

23. Geelong & Bellarine · VIC
45 km from Melbourne · The Bellarine's best pier: 4-6 m of sheltered, weedy water with seahorses, stargazers and cuttlefish, an 1850s wreck's ribs, and superb night diving.

24. Port Phillip Heads · VIC
56 km from Melbourne · Thirteen historic ships' anchors – Admiralty, Trotman and Rogers Patent patterns recovered during channel deepening – laid out on the sand in 10 m beside Popes Eye with interpretive plaques.

25. Mornington Peninsula · VIC
57 km from Melbourne · Granite caves and tunnels around an 1880s fort island, with seals, cuttlefish and blue devils in the middle of Port Phillip.

26. Port Phillip Heads · VIC
58 km from Melbourne · Ebb-tide float drift from shallow reef over carpets of coloured sponges to bommies at 20 m off Queenscliff – the easiest and most sheltered way to see the Heads' filter-feeder gardens.

27. Mornington Peninsula · VIC
58 km from Melbourne · Ultra-shallow training and night dive with the pylons and rail wheels of the old jetty 200 m out; sheltered from southerlies by Arthurs Seat.

28. Port Phillip Heads · VIC
59 km from Melbourne · Float-line drift across the Boarfish Reef sponge gardens and outcrops off Queenscliff – no navigation, no kicking, several hundred metres of reef in one dive.

29. Port Phillip Heads · VIC
59 km from Melbourne · Upright iron barque lost in 1875 after striking Corsair Rock: intact starboard plating and decking, bluestone ballast and a donkey boiler at 14–22 m, grown over with soft coral and zoanthids – the best sailing-ship wreck in the bay.

30. Port Phillip Heads · VIC
60 km from Melbourne · The bommie field in Lonsdale Bight where the chart-marked giant kelp forest once stood – now smaller kelps over rock and sponge gardens between, dived at slack or drifted on the flood.
The top of this list is the most regularly dived, well-documented site within weekend range of Melbourne. Scroll for shore dives you can do without a charter.
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