Scuba Diving in South Australia

Adelaide Region

Fleurieu Coast

the glenelg blocks

The Glenelg Blocks are situated a few hundred metres from the shore, in line with the Glenelg jetty.  They are a series of huge cement blocks, originally placed to serve as a breakwater. The tops of the blocks usually break the surface and can be located easily.  Colourful growth and numerous fish make this an interesting dive.  It is best not to dive this site after rain when visibility deteriorates.


4 to 6 metres


Boat dive from Adelaide shores ramp, or a very long swim from shore.

Features: Wobbegongs, nudibranchs, common reef fish, spider crabs

An interesting and mostly overlooked site.  Plenty of fish and nooks and crannies.


  port noarlunga reef

Port Noarlunga Reef is reputedly one of Australia’s ‘most dived’ sites.

Depth: 5 to 9 metres
Entry: Entry is easy down the steps at the end of the Port Noarlunga jetty.

Inshore, divers will find small rays, leatherjackets, huge dusky morwong. On the outer reef, there are schools of drummer, blue devilfish and cuttlefish.


On most days, it is advisable to head south along the reef against the current, and then drift back to the jetty. On a calm day, you can walk across the exposed rocks and stride into the water to dive the outer, deeper side of the reef.


  the stanvac dump

The Stanvac Dump is a large artificial reef area comprising a great variety of dumped equipment, including jetty sections, pipes and old machinery.  It is a boat dive, with no shore access.  Situated about 300 metres north of the Port Stanvac Oil Refinery jetty the buoy which previously marked the site has recently been removed.  It is now difficult to locate.

Depth: 10 to 12 metres

This is an easily accessible boat dive.  Use the O'Sullivan's Beach ramp, head north around the refinery jetty.  The dump is about 300m from the jetty and roughly 200 - 300 m off shore.

Features: Blue Devils, Wobbegongs, Cuttlefish, Boarfish, Nudibranchs

This is a sheltered dive site, suitable all year round.  The fish life is prolific, and there are a variety of objects to explore offering hiding holes for all kinds of marine life.


  the wreck of the lumb

The HA Lumb was sunk specifically for use by recreational divers.  The ship lies upright just to the west of the Noarlunga tyre reef.  It is a boat dive which is offered regularly by dive operators in Adelaide. 

Depth: 20 to 23 metres

The boat trip is not long, however you do need to have very good GPS coordinates to find the wreck.

Features: Boarfish, Gurnard Perch, huge Spider Crabs, Grubfish 

The wreck is covered in plenty of colourful growth and it is worth looking closely for well camouflaged marine creatures.  Divers can explore some interesting areas within the boat safely. 


  the glenelg dredge

The dredge is a 30 metre long wreck lying upright at a depth of about 20 metres.  The position of the wreck is marked with a buoy which is attached to the top deck at about 14 metres.  A torch is not essential, but useful for having a closer look into some nooks and crannies on the deck and, having a better look around the sides.  , and seeing some of the fish life under it.  It is a boat dive which is offered regularly by dive operators in Adelaide. 

Depth: The top deck is at a depth of 14 metres, and the dredge rests at about 20 metres max.

Once the boat operator has moored it is easy to find by using the marker buoy's line to the top deck.

Features: Many species of fish, including wobbegong and blue devils.

Penetration is not recommended due to hazards within the wreck and the narrow, restricted access. 


  the glenelg barge

This purposely sunk wreck is a hopper barge which was used by the Dredge. Located a short distance from the Dredge, there is a line of star droppers going from one to the other. The wreck is about 30 metres long, at about 20 metres depth.  Visibility on both the Barge and the Dredge is usually about 10 metres, and fish life is abundant.

Depth: 20 metres

Follow the star droppers from the Dredge

Features: Many fish species;  take a torch to look inside the wreck. 

The Dredge and the Barge can be explored from the same mooring, and both boat dives are regularly offered by dive operators.


  seacliff reef

This colourful reef emerges from a sandy bottom at a depth of 10 and 15 metres. Prolific fish-life including many blue devils, crabs and the occasional leafy sea-dragon make this rocky reef well-worth exploring. 

Depth: 10 - 15 metres

Access to the reef is by boat.  Seacliff Reef is often offered as a second dive after one of the deeper sites near Adelaide.

Features: Healthy colourful growth, many blue devils, leafy sea-dragons.

A good safe dive with plenty of overhangs and a healthy fish population.  Visibility is usually around 5 - 10 metres.


  other dives

Contact local dive shops for charter details to off-shore sites.  GPS coordinates are provided for some of these locations in the Maps and GPS Marks section of this web site.

Other dives:

The Stanvac Barges

The Grange, Glenelg and Noarlunga tyre reefs

Aldinga Reef

The John Robb and Norma Wrecks


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