Vertical reef, drop-offs and sponge-covered walls: Port Phillip Heads, the Tasman Peninsula, Osprey Reef, the Ribbon Reefs and the granite coasts of the south.
68 sites · the first 48 shown as cards, the rest listed by state below
Port Phillip Heads · VIC
The descent point for Entrance Deep, Victoria's deepest known dive at 103 m in the drowned Yarra channel inside the…
Wilsons Promontory · VIC
Granite walls plunging to 70 m with caves and swim-throughs directly beneath the Wilsons Promontory Lighthouse; the…
The 90-degree corner of Lonsdale Wall: towering split faces on two sides dropping from 19 m to 66 m, with blue devils…
The vertical Nepean side of The Rip: a boomerang-shaped trench whose northern wall drops from 18 m to 65 m through…
The outermost Nepean-side wall: ledges, caves and drop-offs from a 10 m kelp top to 65 m facing Bass Strait, with the…
Sheer granite walls dropping past 65 m beneath the Prom's landmark sea-cave island, in the clearest water in Victoria,…
Stepped walls dropping 5–10 m at a time to beyond 60 m, with house-sized fallen boulders at the foot of each step and…
Ledge-and-cave wall from a kelp-topped 10 m reef down to 60 m between Nepean Wall and Corsair Rock, with RMS Australia…
Deep wall on Spectacular Reef off Shortland Bluff – overhangs, small caves and swim-throughs from 19 m to beyond 60 m,…
A sheer cliff with roofed overhangs at the seaward mouth of The Rip, dived only on the end-of-flood slack in calm seas…
A truck-sized cavern in the face of Lonsdale Wall at 30 m, at the ocean end of the system – ebb-slack only, shipping…
A sheer north-facing wall in the middle of the entrance channel, 18 m to 40 m and beyond, whose shaded overhangs show…
A freighter's anchor chain, cut free in the 1980s, hanging from 18 m to 60 m down Lonsdale Wall and now completely…
A 2 km granite wall of 10 m boulders, swim-throughs and overhangs from 10 m to 60 m with perch clouds and zoanthid…
A 12-to-30 m drop-off on the Nepean side with a long soft-coral overhang at 27 m and the most dependable blue devils at…
A granite wall plunging to 55 m with caves and swim-throughs on the exposed corner of Kanowna Island, with prolific…
Diving the southernmost point of mainland Australia – an easy weed-and-boulder bay strewn with shipwreck debris on the…
A quiet second drop on the western entrance wall, 15–50 m, flood-slack only – for experienced deep divers who want an…
A less-visited east–west wall at the entrance with small caves and overhangs from 15 m to 50 m, dived only on the flood…
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 central and fishiest stretch of Lonsdale Wall – a near-vertical face from 15 m to 45 m with blue devils,…
Steep granite walls and boulder gutters with rich sponge cover in the clear water of the Anser Group; a slightly…
A 'spectacular' deep reef formation off Shortland Bluff at 12–40 m beside the shipping channel, paired with Knawesome…
Fractured section of the Lonsdale cliff where slabs have split from the face, leaving 30 m-deep cracks full of blue…
A freestanding 100 m bommie with a 20–40 m north-east wall just inside the Nepean side of the Heads – strong-current…
A tidal wall dive at Port Phillip Heads. Compare the exact wall section, planned depth and slack-water window before…
Phillip Island & Western Port · VIC
Granite spires rising from 38 m to 9 m, coated in sponge and soft coral and thick with schooling fish, with seals from…
Portland & the West · VIC
Basalt walls and ledges to 36 m under the Cape Nelson lighthouse with the richest invertebrate growth on the Portland…
Granite boulder slopes, kelp forests and walls with seals in clear water 5 km off Tidal River; the offshore island most…
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…
Mornington Peninsula · VIC
A tide-scoured pinnacle in Western Port's North Arm with walls to 32 m covered in Victoria's richest sponge and hydroid…
A giant split granite boulder – the Prom's most photographed rock – dropping to 30 m on the exposed western face of…
A large multi-entrance boulder cave at 25 m and a field of massive granite swim-throughs on the northern tip of…
Granite boulder fringe with vertical walls and small caves towards South Point; a sheltered-end second dive at the…
Shallow-topped end of Lonsdale Wall with heavy soft-coral and gorgonian cover, an embedded admiralty anchor and two…
Walls and boulder slopes to 30 m under one of Australia's largest gannet colonies, with seals, sponge gardens and kelp…
A stepped wall with shallower upper terrain and deeper drop-offs. Confirm the planned route, depth and slack-water…
Caves and swim-throughs among giant granite boulders at 20–30 m on the sheltered north-east corner of Great Glennie;…
A short, safe cleft through the Lonsdale Wall face at 25–30 m, its walls carpeted in zoanthids and anemones – a natural…
A short natural tunnel entering the Lonsdale Wall at 30 m and exiting at 22 m – an easy, torch-lit swim-through for…
Shipwreck Coast & Warrnambool · VIC
Sea caves, arches and giant kelp under the Twelve Apostles cliffs in a no-take park – Thunder Cave's crayfish-filled…
Granite walls and 10 m boulders below the historic lighthouse landing, with perch clouds and a century of lost…
An east–west calcarenite wall in Bass Strait off Portsea back beach with swim-throughs, unafraid crayfish walking in…
An 18 m wide sea cave penetrating deep under Deen Maar, diveable only in a flat calm – few have seen it, fewer have…
Multi-site reef in Lonsdale Bight with caves, swim-throughs, a 4 m upright admiralty anchor in 10 m and a 400 m sponge…
A rocky wall to 20 m with basket stars, sea spiders, large sponges and occasional weedy seadragons and southern…
Victoria's largest fur seal colony under basalt cliffs and sea caves 8 km offshore – the wildest big-animal dive in the…
Victoria's most famous shipwreck: bow, plating with deadeyes, railway iron and cargo under the cliffs of Mutton Bird…
Other ways to find a dive