AUSTRALIAN DESTINATIONS
Diving in South Australia
Explore 258 listed dive sites and find the local knowledge to help plan your visit.
THE LOCAL PLANNING BRIEF
Keep coastal trips and overhead environments separate
South Australia’s regional directory includes Adelaide, peninsulas, islands and inland records. Use the access and environment information to distinguish these choices. A jetty, a coastal boat trip and a cave-related listing are different activities with different requirements; they should not share a single generic holiday plan.
Choose the setting, then the trip Counts describe published records, not bookable trips or confirmed open sites.
There are 258 published site records across South Australia. The recorded categories include jetty/pier (53), wreck (47), reef (44), shore/rock platform (28). These categories reflect the database; they are not a ranking, a conditions report or an assessment of your suitability.
Start with one of the regional pages below. State-wide totals are useful for browsing, but the actual choice should be made at the level of an operator, a site and a proposed itinerary.
Research operators in South Australia →Ask before booking
- Is the proposed activity open water or an overhead environment?
- Who manages access and where can we check current rules?
- Which equipment and transport arrangements must be booked ahead?
Save the answers with the contact name and date. Separate confirmed arrangements from items still waiting for a reply.
Record your trip questions →Adelaide and the peninsulas
Compare the departure or shore meeting point, local facilities and equipment arrangements. A coastal road itinerary needs time for more than driving between map pins.
Islands and longer journeys
Confirm ferry or flight connections, equipment availability and how changes to transport affect the booking.
Inland and cave-related records
Treat overhead environments as a separate specialist subject. Directory inclusion does not establish public access or suitability for recreational open-water training.
Questions, answered
How do I choose a dive in South Australia?
Begin with the individual site and its source notes, then discuss the proposed trip with a local provider. The 258 published records are research options, not a list of trips available today. Match the plan to your training, recent experience and the operator’s current requirements.
When should I visit South Australia for diving?
Choose dates with a provider who runs the activity you want, then discuss seasonal patterns, recent conditions and alternative itineraries. A generic best-month claim cannot establish the conditions at your exact site or guarantee a wildlife encounter.
Can I use these maps to enter or navigate a dive site?
No. Recorded and approximate map positions support orientation only. Confirm the exact access, permissions, meeting point and route with the responsible local provider or manager.
Regional planning context: South Australian Tourism Commission — regional trip information ↗. Directory counts come from published YouDive records. Individual site claims remain subject to their source and review notes.
Find your region
Dive sites to explore
WreckFleurieu Peninsula & Victor Harbor
AV Ulonga Wreck
A 1910 Murray paddle steamer turned coastal schooner, lost in 1976, sitting upright in 38 m with a Chrysler Valiant beside her.
WallFleurieu Peninsula & Victor Harbor
Aldinga Drop-off
A 10 m limestone cliff riddled with caverns and overhangs in a no-take sanctuary zone – one of the most spectacular dives near…
Pinnacle/BommieFleurieu Peninsula & Victor Harbor
Aldinga Pinnacles
Ten limestone pinnacles with swim-throughs and overhangs, dense relaxed fish and good visibility in a no-take zone.
IslandEyre Peninsula
Baird Bay – Sea Lions and Dolphins
Snorkel with endangered Australian sea lions at Jones Island and a resident dolphin pod in chest-deep water – one of SA's finest…
Freshwater Lake/RiverMount Gambier Sinkholes & Caves
Blue Lake (Mount Gambier)
A 77 m volcanic crater lake that turns cobalt blue every summer – view only; diving prohibited.
Jetty/PierYorke Peninsula
Edithburgh Jetty
Arguably Australia's best jetty dive: 150-year-old piles smothered in sponge and ascidian growth hosting anglerfish, pyjama…
Cave/CavernMount Gambier Sinkholes & Caves
Engelbrecht Cave – East
Cave diving beneath the middle of Mount Gambier – a shallow, silty 70 m passage to a hidden air chamber and lake.
Cave/CavernMount Gambier Sinkholes & Caves
Engelbrecht Cave – East Extension
Over 400 m of newly discovered, sidemount-only tunnel beneath Mount Gambier, reached through the Rabbit Hole and the Caterpillar.
Cave/CavernMount Gambier Sinkholes & Caves
Engelbrecht Cave – West
A 340 m Advanced Cave dive with an air chamber directly beneath Mount Gambier's Jubilee Highway.
WreckYorke Peninsula
Ethel Wreck
South Australia's most photographed wreck: the iron ribs of an 1876 barque rising from the sand of a wild Innes surf beach, best…
Freshwater Lake/RiverMount Gambier Sinkholes & Caves
Ewens Ponds
A one-way drift through three gin-clear spring ponds over meadows of aquatic plants – easy, beautiful and open to Open Water…
WreckFleurieu Peninsula & Victor Harbor
Ex-HMAS Hobart
A 133 m guided missile destroyer sitting upright in 30 m with the superstructure from 5 m, and the only prepared naval wreck in…
Cave/CavernMount Gambier Sinkholes & Caves
Fossil Cave
A cave with a fossil record of thylacines, marsupial lions and giant kangaroos, connected to the Tank Cave system.
WreckAdelaide Metro
Glenelg Barge
Adelaide's first purpose-sunk wreck, a 1911 hopper barge in 20 m that can be combined with the Dredge on a single dive via a…
WreckAdelaide Metro
Glenelg Dredge (SS South Australian)
A near-intact 1911 Dutch-built dredge sitting upright in 20 m and packed with fish – Adelaide's most dived boat wreck, easily…
WreckAdelaide Metro
HA Lumb Wreck
A 1943 US Navy tug scuttled in 1994 with cut deck holes for easy penetration, lying beside the Seawolf and the Noarlunga Tyre…
WreckYorke Peninsula
Hougomont Wreck
A dismasted 1897 four-masted barque of the Erikson grain fleet, scuttled as a breakwater with bow and stern still upright in 9 m…
Sinkhole/CenoteMount Gambier Sinkholes & Caves
Kilsby Sinkhole
50 m-plus visibility in a cliff-walled sinkhole that Open Water divers can dive with an approved operator; midday light shafts…
Jetty/PierKangaroo Island
Kingscote Jetty
Leafy seadragons, seahorses and giant cuttlefish under an easy town jetty – Kangaroo Island's reliable fall-back dive.
ReefFleurieu Peninsula & Victor Harbor
Lasseter's Reef
A compact kelp-covered dome off Second Valley surrounded by seagrass where leafy seadragons are resident.
Sinkhole/CenoteMount Gambier Sinkholes & Caves
Little Blue Lake
The easiest-access deep sinkhole in Mount Gambier – roadside parking, stairs and pontoon, and a flat floor at 36 m for depth and…
WreckKangaroo Island
Loch Vennachar Wreck
The scattered iron of a Loch Line clipper that vanished with all hands in 1905, beneath the cliffs at West Bay.
WreckAdelaide Metro
MV Seawolf Wreck
A 1940s Japanese tuna boat lying on its side in 20 m, a club-built wreck that forms a two-wreck dive with the HA Lumb.
WreckYorke Peninsula
Moorara Wreck
The most complete Murray River barge wreck in South Australia – wooden hull, two engines and deckhouse in 3-4 m, full of fish.