Mount Gambier
30 site records refer to this town or area.
Look for operators around Mount Gambier →AUSTRALIAN DESTINATIONS
Diving in South Australia
Explore 258 listed dive sites and find the local knowledge to help plan your visit.
Custom YouDive mascot art inspired by South Australia. An imaginative illustration, not a photograph or map of this destination.
Your bearings, in a minute
South Australia at a glance
Start with the local site mix, explore the map and find people to ask about your trip.
- Explore
- 258 site records
- Recorded settings
- Jetty/Pier · Wreck · Reef
- Map coverage
- 258 locations to explore
- Plan with local help
- Meet the listed operators
Directory counts describe published records, not bookable trips. Location confidence is shown separately in the map list. How we check information →
Sources, authorship and review status
Prepared by YouDive editorial with AI assistance. No firsthand visit, equipment test or instructor review is implied.
Independent specialist review: pending. We publish a reviewer’s name, qualifications, date and exact review scope only after the review has actually happened.
Who can contribute and how reviews work →Find your bearings
Explore South Australia on the map
Compare where the recorded sites sit, then open a site to read its access and source notes. Locations are for orientation, not marine navigation or entry instructions.
258 matching records · 258 with a map location · 0 without a usable position.
Aagot Wreck
Wreck · 1–4 m
Recorded location
Admella Wreck (Carpenter Reef)
Wreck · 3–8 m
Approximate area
Aldinga Drop-off
Wall · 5–21 m
Recorded location
Aldinga Pinnacles
Pinnacle/Bommie · 5–18 m
Recorded location
Allendale East Cave
Cave/Cavern · 0–24 m
Approximate area
Althorpe Island
Island · 5–40 m
Approximate area
American River
Muck/Sand · 1–8 m
Approximate area
Ardrossan Barge
Artificial Reef · 14–20 m
Approximate area
Ardrossan BHP Jetty
Jetty/Pier · 8–15 m
Approximate area
Ardrossan Town Jetty
Jetty/Pier · 1–6 m
Approximate area
Arno Bay Jetty
Jetty/Pier · 1–5 m
Approximate area
AV Ulonga Wreck
Wreck · 32–39 m
Recorded location
The local notebook
Where should you start in South Australia?
Use the actual places attached to the local records to narrow your research. These are recorded nearby towns and areas, not verified departure points or accommodation recommendations.
Kingscote
18 site records refer to this town or area.
Look for operators around Kingscote →Marion Bay
16 site records refer to this town or area.
Look for operators around Marion Bay →Port Lincoln
13 site records refer to this town or area.
Look for operators around Port Lincoln →Victor Harbor
12 site records refer to this town or area.
Look for operators around Victor Harbor →Glenelg
11 site records refer to this town or area.
Look for operators around Glenelg →Different outings to look into
| Local example | Recorded nearby place | Recorded access | Follow the evidence |
|---|---|---|---|
| Ardrossan Barge | Ardrossan | Boat (day trip) | Recorded source ↗ |
| Allendale East Cave | Allendale East | Shore | Recorded source ↗ |
| Blue Lake (Mount Gambier) | Mount Gambier | Shore | Recorded source ↗ |
| Althorpe Island | Marion Bay | Boat (day trip) | Recorded source ↗ |
How to use this shortlist
Choose the named outing that interests you first. Compare its recorded place and access with your accommodation plans, then obtain the actual meeting address and schedule from the provider. The site links show the underlying depth, location confidence and source notes. Similar town names or map positions do not establish that two outings can be combined in a day.
A closer look at South Australia
Get a feel for the diving
Our South Australia directory currently includes 258 published site records. The largest recorded category is jetty/pier (53 records). Use the mix below to decide what you would like to read about first.
South Australia: what’s in the directory?
A visual guide to recorded site types. Counts show coverage, not popularity or current availability.
Source: published YouDive directory records for South Australia. Bars use the same scale within this graphic; the longest is the largest category, not 100% of the destination.
A few local records to compare
Start with Ardrossan Barge, Allendale East Cave, Blue Lake (Mount Gambier). These are examples from different recorded categories, not a recommended route or a list of the best sites. Open each record for its sources, map and review notes.
| Site | Recorded type | Access | Depth |
|---|---|---|---|
| Ardrossan Barge | Artificial Reef | Boat (day trip) | 14–20 m |
| Allendale East Cave | Cave/Cavern | Shore | 0–24 m |
| Blue Lake (Mount Gambier) | Freshwater Lake/River | Shore | Maximum recorded: 77 m |
| Althorpe Island | Island | Boat (day trip) | 5–40 m |
How the recorded depths compare
A dot shows a recorded maximum. A line joins the recorded minimum and maximum when both are available. These are site descriptions, not target depths or certification limits.
The table above contains the same depth values. Depth alone cannot establish suitability, and records may require correction. Source: the linked site records.
Build a South Australian trip around your interests
A jetty, a boat outing, a seasonal wildlife visit and an inland training objective are different starting points. Name the experience first, then use the records to explore its practical setting.
Separate the attractions
Do not assume that two experiences grouped within a state are easy to combine in one day. Write down the town, meeting point and time commitment for each. For a mixed group, ask which activities actually accommodate divers and non-divers together. A famous animal or landmark may bring you to a region, but the booking still needs to describe what each person will do.
Check the environment behind the name
A site category is a starting point for learning more. In particular, an inland or cave-related record does not make an outing an ordinary open-water dive. Discuss access permissions, the intended environment and appropriate qualifications with a relevant provider. Choose training to suit the activity rather than trying to make a planned holiday fit whatever qualification you already hold.
Give seasonal plans a second reason to travel
If one wildlife event is the main attraction, research its current visitor information and the exact activity being offered. Keep another worthwhile part of the visit in your plans. Arrange equipment and support before treating dates as final, and ask what happens if the intended outing changes. A recent observation and a broad seasonal pattern answer different questions.
Three conversations worth having before you book
Jetty or coastal visit
What access and equipment arrangements apply now?
Keep the site record and local reply together.
Wildlife-focused trip
What is the actual activity and current visitor advice?
Do not treat a season as a sighting guarantee.
Inland objective
Which permissions and training apply to this environment?
Check with a relevant specialist provider.
From “that looks lovely” to a plan
Make South Australia your kind of dive trip
Find your starting point, meet the local options and keep your ideas together. You do not need to have the whole trip worked out yet.
Where are you on your diving journey?
I’m just getting started
Find out how a first course works, compare your options and get comfortable asking questions.
I’m ready to explore more
Connect your next outing with useful reading and a conversation about the right training and support.
I’m thinking about teaching
Explore the professional pathway and prepare better questions for a training centre.
These are learning paths to explore, not prerequisites for every local site. Confirm the actual course, instructor and your readiness with the provider.
People to talk to about South Australia
A few operator profiles from this state or territory to start exploring. Shown alphabetically, not as a quality ranking. Ask about the specific trip or course you want.
Listed in this state or territory
Adelaide Scuba
Glenelg North
An Adelaide business providing training, equipment and local diving support, located near Glenelg.
Meet this operator →Listed in this state or territory
Adelaide Technical Diving
Park Holme
An Adelaide operation specialising in technical diving training, relevant to divers preparing for deep, decompression or cave diving in South Australia.
Meet this operator →Listed in this state or territory
Adventure Bay Charters
Port Lincoln
A Port Lincoln wildlife tourism operation running great white shark cage experiences and sea lion swims. These are wildlife tourism products rather than certified scuba diving.
Meet this operator →Listed in this state or territory
Baird Bay Ocean Eco Experience
Baird Bay
Open the profile for contact details and recorded services, then ask about current arrangements.
Meet this operator →Let’s put the pieces together
Start with the place and your questions. Add dates and prices once you have spoken with the people running the trip.
Open my trips
Creates a new trip with this destination, useful reading and starter questions. Saved on this browser; export a backup from My trips.
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
Adelaide Metro40 sitesEyre Peninsula29 sitesFleurieu Peninsula & Victor Harbor35 sitesKangaroo Island28 sitesLimestone Coast15 sitesMount Gambier Sinkholes & Caves36 sitesWhyalla & Upper Spencer Gulf17 sitesYorke Peninsula58 sites
Dive sites to explore
Search within South Australia, or narrow the list to a recorded dive type. Open a site for its map, sources and access notes.
258 matching site records. Listings do not confirm current access or availability.
SA
Wall
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…
SA
Pinnacle/Bommie
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.
SA
Wreck
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.
SA
Island
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…
SAFreshwater Lake/River
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.
SAJetty/Pier
Jetty/PierYorke Peninsula
Edithburgh Jetty
Arguably Australia's best jetty dive: 150-year-old piles smothered in sponge and ascidian growth hosting anglerfish, pyjama…
SACave/Cavern
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.
SACave/Cavern
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.
SACave/Cavern
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.
SAWreck
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…
SAFreshwater Lake/River
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…
SAWreck
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…
SACave/Cavern
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.
SAWreck
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…
SAWreck
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…
SAWreck
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…
SAWreck
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…
SASinkhole/Cenote
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…
SAJetty/Pier
Jetty/PierKangaroo Island
Kingscote Jetty
Leafy seadragons, seahorses and giant cuttlefish under an easy town jetty – Kangaroo Island's reliable fall-back dive.
SAReef
ReefFleurieu Peninsula & Victor Harbor
Lasseter's Reef
A compact kelp-covered dome off Second Valley surrounded by seagrass where leafy seadragons are resident.
SASinkhole/Cenote
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…
SAWreck
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.
SAWreck
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.
SAWreck
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.