Australia has 8,222 islans within its maritime borders. The largest islands are, Tasmania 68,332 km²; Melville Island 5,786 km²; Kangaroo Island, 4,416 km²; Groote Eylandt, 2,285 km²; Bathurst Island, 1,693km²; Fraser Island 1,653km²; Flinders Island, 1,359 km²; King Island 1,091 km²; Mornington Island, 1 002 km². , This is a list of selected Australian islands grouped by state or territory. Australia is often called the island continent, although this is something of a contradiction in terms.