The South Australian

The South Australian, known as the Dredge, is a wreck lying upright about 5 to 6 km west of Glenelg in South Australia, in 20 m of water. She is an old suction dredge built in the Netherlands, which sailed to Australia and worked the Port River and Outer Harbour before being sunk in 1985.

The wreck is 35 m long and 7 m wide, with the bow to the south and the top deck at 15 m. Divers can enter through the cabin rooms and the main pump hold by way of the suction crane on the bow, but penetration through the boilers and engine room is unsafe.

Cuttlefish, strongfish, old wives, bullseyes and leatherjackets live around her, and a wobbegong shark or blue devil turns up occasionally. The main hazards are rusting metal, strong currents and silting, and the site is generally best dived when winds are offshore, from the east.