Underwater diving sites in Australia

over 2300 km long coral reef off Australia's northeast coast, UNESCO World Heritage Site

Whyalla is a city in South Australia. It was founded as '''Hummock's Hill''', and was known by that name until 1916. It is the fourth most populous city in the Australian state of South Australia after Adelaide, Mount Gambier, and Gawler, and along with Port Pirie and Port Augusta is one of the three towns to make up the "Iron Triangle". It is a seaport located on the east coast of the Eyre Peninsula and is known as the "Steel City" due to its integrated steelworks and shipbuilding heritage. The Whyalla Steelworks is the major employer in the town, and has in February 2025 been put into volunt

island near Perth, Western Australia

1978 Adelaide-class frigate

shipwreck in Queensland, Australia

thumb|276x276px|Tidal seawater swimming pool at Edithburgh, South Australia Edithburgh is a small town on the south-east corner of Yorke Peninsula situated on the coastline of Salt Creek Bay, in the state of South Australia. Edithburgh is about west of Adelaide across Gulf St Vincent, but away by road.

1978 Adelaide-class frigate

1980 Round Table-class landing ship logistics

national park in South Australia, Australia

town in South Australia

island in Australia

reef in Australia

1963 Perth-class destroyer

mountain in Queensland, Australia

roadhouse community in Shire of Dundas, Western Australia

1966 Perth-class destroyer

1964 Perth-class destroyer

1915 J-class submarine

island in Victoria, Australia

1915 J-class submarine

suburb of Adelaide, South Australia

town in South Australia

two groups of islands close to the entrance to Spencer Gulf in South Australia