This is a list of selected Australian islands grouped by state or territory. Australia has 8,222 islands within its maritime borders.
Australia is often referred to as an island continent as it is surrounded by ocean. Mainland Australia has a total area of 7,591,608 km2 (2,931,136 sq mi).
Fringing islands larger than 1,000 km2 (390 sq mi) are:
Apart from the state of Tasmania (with a population of 570,000), the largest islands by population are those connected to major urban areas on the mainland by bridge, including Bribie Island near Brisbane with a population of 18,000, and Phillip Island near Melbourne with a population of 14,000.



off Budgewoi, Central Coast






Tasmania is a large island state off the south-east coast of mainland Australia. The main island of Tasmania (which includes 94% of the state's land area) does not have a defined name but can be referred to as the "Tasmanian mainland". There are 334 islands (or islets) within the state of Tasmania; with the main islands listed below, each having a land area greater than 100 hectares (250 acres). A full list of all 334 islands is located at the list of islands of Tasmania.


Over 1,000 islands have been gazetted – only the island groups and major islands are listed.
