This is a list of selected Australian islands grouped by State or Territory.
Australia has 8,222 islands within its maritime borders. The islands larger than 1,000km² are Mainland Tasmania, 64,519 km²; Melville Island (NT), 5,786 km²; Kangaroo Island (SA), 4,416 km²; Groote Eylandt (NT), 2,285 km²; Bathurst Island (NT), 1,693 km²; Fraser Island (Qld), 1,653 km²; Flinders Island (Tas), 1,359 km²; King Island (Tas), 1,091 km²; and Mornington Island (Qld), 1 002 km². The area of the continent of Australia is 6,560,000 km².
More information on the specific characteristics of these islands may be found within the following Wikipedia category and it's associated subcategories.
New South Wales
- Bare Island, near the north headland of Botany Bay
- Bird Island, located near Budgewoi, 1.4 kilometres (0.87Â mi) east of the Central Coast
- Boondelbah Island, at the mouth of Port Stephens
- Broughton Island (New South Wales), located north of Port Stephens
- Cabbage Tree Island, at the mouth of Port Stephens
- Chatsworth Island, in the Clarence River
- Clark Island, in Sydney Harbour
- Cockatoo Island, in Sydney Harbour, originally used as a prison and later developed as a shipyard
- Cook Island (New South Wales), located near Tweed Heads
- Dangar Island, a small forested island in the Hawkesbury River
- Dumaresq Island, a small island in the Manning River downstream of Taree
- Darling Island, a former island subsequently bridged by land, in Sydney Harbour
- Esk Island, in the north arm of the Clarence River
- Fort Denison, also known as Pinchgut
- Five Islands Nature Reserve, a group of islands off the coast near Wollongong
- Garden Island (no longer an island)
- Glebe Island (no longer an island)
- Goat Island, a rocky island in Sydney Harbour
- Goodwood Island
- Green Island, a small island north of Smoky Cape
- Harwood Island, in the Clarence River
- Lion Island, at the entrance to the Hawkesbury River
- Long Island, in the Hawkesbury River
- Lord Howe Island, a small island in the Tasman Sea, 600 kilometres (370Â mi) east of the Australian mainland
- Ball's Pyramid
- Admiralty Group
- Milson Island, in the Hawkesbury River
- Montague Island, 9 kilometres (5.6Â mi) east of Narooma on the south coast
- Muttonbird Island, off Coffs Harbour
- Oxley Island
- Pinchgut - see Fort Denison, a former penal site and defensive facility in Sydney Harbour
- Pulbah Island, the largest island in Lake Macquarie
- Rodd Island, a small island in the Parramatta River
- Scotland Island, in the north of Sydney
- Shark Island, in Sydney Harbour
- Snapper Island, in Sydney Harbour
- Spectacle Island, in the Hawkesbury River
- Spectacle Island, in Sydney Harbour
- Solitary Islands
- Wasp Island, the only island in Durras Inlet near Batemans Bay
- Windang Island, a small island at the entrance to Lake Illawarra
- Woodford Island, in the Clarence River on the far north coast
Northern Territory
- Bathurst Island
- Bickerton Island
- Crocodile Islands
- Croker Island
- Elcho Island
- Goulburn Islands
- Groote Eylandt - Dutch for "Big Island" - Australia's 4th largest island
- Howard Island
- Martjanba Island
- Melville Island, the second largest island in Australia
- Quail Island
- Sir Edward Pellew Group
- Tiwi Islands
- Vanderlin Island
- Wessel Islands
- West Island, Torres Strait
Queensland
- Acheron Island
- Agnes Island
- Albino Rock
- Aplin Islet
- Arnold Islets
- Baird Island
- Barber Island
- Barrow Island
- Bedarra Island
- Beesley Island
- Bird Islands
- Bishop Island (no longer an island - Port of Brisbane wharves construction in the mouth of the Brisbane River extended over it)
- Bootie Island
- Bountiful Islands
- Bowden Island
- Boyne Island
- Brampton Island
- Bribie Island
- Brisk Island
- Brook Islands, three islands: North, Tween and Middle.
- Bourke Isles
- Bushy Island
- Bushy Islet
- Cholmondeley Islet
- Clack Island
- Clerke Island
- Coconut Island
- Coochiemudlo Island
- Crab Island
- Cordelia Rocks
- Coquet Island
- Curacoa Island
- Denham Island
- Douglas Islet
- Duncan Islands
- Dunk Island
- Eagle Island
- Ephraim Island
- Esk Island
- Eclipse Island
- Fantome Island
- Falcon Island
- Fisher Island
- Fisherman's Island (no longer an island - Port of Brisbane wharves construction in the mouth of the Brisbane River extended over it)
- Fitzroy Island
- Fly Island
- Frankland Islands
- Russell Island
- Fraser Island, the largest sand island in the world
- Goold Island
- Gore Island
- Great Keppel Island
- Great Palm Island
- Green Island
- Haggerston Island
- Hannibal Islands
- Harvey Island
- Heron Island
- High Island
- Hinchinbrook Island
- Houghton Island
- Hudson Island
- Jessie Island
- Kangaroo Island
- Kent Island
- King Island
- Kumboola Island
- Lady Elliot Island
- Lady Musgrave Island
- Leggatt Island
- Lindquist Island
- Lizard Island
- Lloyd Island
- Low Island
- Low Wooded Island
- Mabel Island
- Makepeace Island
- Magnetic Island
- Milman Islet
- Moreton Island
- Mornington Island
- Morris Island
- Mudjimba Island
- Murdock Island
- Nigger Head
- Newton Island
- Nob Island
- Noble Island
- Normanby Island
- North Direction Island
- North Stradbroke Island
- Northumberland Islands
- Orpheus Island
- Paddy Island
- Palfrey Island
- Peel Island
- Pelorus Island
- Pentecost Island
- Percy Island
- Perry Island
- Pigeon Island
- Pincushion Island
- Pipon Island
- Prince of Wales Island
- Pumpkin Island
- Raine Island
- Restoration Island
- Rocky Island
- Rocky Point Island
- Rodney Island
- Round Island
- St Helena Island
- Shaw Island
- Sherrard Island
- Sir Charles Hardy Islands
- The Sisters
- Sisters Islands
- Snapper Island
- South Direction Island
- South Stradbroke Island
- Southern Moreton Bay Islands
- Russell Island
- Macleay Island
- Lamb Island
- Karragarra Island
- Saibai Island, in the Torres Strait
- Stephens Island
- Struck Island
- Sunday Island
- Sunter Island
- Sweers Island
- Talbot Islands
- Thomson Islet
- Thorpe Island
- Three Islands
- The Three Sisters
- Sue Islet
- Torres Strait Islands
- Trochus Island
- Turtle Group
- Watson Island
- Wellesley Islands
- Wheeler Island
- Whitsunday Islands
- Daydream Island
- Dent Island
- Hamilton Island
- Hayman Island
- Hook Island
- Keswick Island
- Lindeman Island
- Long Island
- South Molle Island
- Whitsunday Island
- Wilson Island
- Woody Island
South Australia
- Althorpe Islands
- Haystack Island
- Seal Island (Investigator Strait)
- Beatrice Islets
- Bicker Isles
- Bird Islands
- Boston Island
- Busby Islet
- Casuarina Islets
- Chinamans Hat Island
- Curlew Island
- Douglas Rock
- Entrance Island
- Gambier Islands
- Goose Island
- Granite Island
- Grantham Island
- Greenly Island
- Grindal Island
- Hindmarsh Island
- Investigator Group
- Flinders Island
- Pearson Isles
- Topgallant Islands
- Waldegrave Islands
- Ward Islands
- Kangaroo Island, Australia's third-largest island
- Liguanea Island
- Lipson Island
- Louth Island
- Neptune Islands
- Nicolas Baudin Island
- Nobby Islet
- Nuyts Archipelago
- St Francis Island
- St Peter Island
- Smooth Island
- Middle Island
- Owen Island
- Paisley Islet
- Pelorus Islet
- Pullen Island
- Rabbit Island, Coffin Bay
- Rabbit Island, Coorong
- Rabbit Island, Louth Bay
- Rabbit Islet, Pelican Lagoon
- Royston Island
- St Francis Island
- St Peter Island
- Shag Island
- Sir Joseph Banks Group
- Blyth Island
- Boucaut Island
- Dalby Island
- Duffield Island
- English Island
- Hareby Island
- Kirkby Island
- Langton Island
- Lusby Island
- Marum Island
- Partney Island
- Reevesby Island
- Roxby Island
- Seal Rock
- Sibsey Island
- Spilsby Island
- Stickney Island
- Winceby Island
- Seal Island (Encounter Bay)
- South Island
- Taylor Island
- Thistle Island
- Torrens Island
- Troubridge Island
- Tumby Island
- Wardang Island
- Wedge Island
- Weeroona Island
- West Island
- Wright Island
Tasmania
Tasmania is a large island state off the south coast. The main island (which includes 94% of the state's land area) does not have a defined name but is often referred to as the "Tasmanian mainland".
- Albatross Island
- Boomer Island
- Bruny Island
- Breaksea Islands
- Cape Barren Island
- Clarke Island
- Eddystone Island
- Flinders Island
- Goat Island
- Hogan Island
- Hunter Island Group
- Hunter Island
- Robbins Island
- Three Hummock Island
- Walker Island
- Kathleen Island
- Kent Group, Bass Strait
- King Island
- Louisa Island
- Maatsuyker Islands
- Chicken Island
- De Witt Island
- Flat Top Island
- Flat Witch Island
- Hen Island
- Ile du Golfe
- Louisa Island
- Maatsuyker Island
- Round Top Island
- Walker Island
- Macquarie Island
- Maria Island
- Mewstone
- Pedra Branca
- Penguin Island
- Robbins Island
- Rodondo Island
- Sarah Island
- Schouten Island
- Sloping Island Group
- Smooth Island
- Swainson Island Group
- Big Caroline Rock
- Hay Island
- Lourah Island
- Shanks Islands
- Swainson Island
- The Lanterns
- Waterhouse Island
- Wedge Island
Victoria
- Anser Island
- Barrallier Island
- Bennison Island
- Chinaman Island
- Churchill Island
- Corner Island
- Duck Island
- Elizabeth Island
- French Island
- Gabo Island
- Griffiths Island
- Joe Island
- Kanowna Island
- Lady Julia Percy Island
- Mud Islands
- Norman Island
- Phillip Island
- Raymond Island
- Rotamah Island
- Sandstone Island
- Shellback Island
- Snake Island
- Sunday Island
- Swan Island
- Tullaberga Island
River islands
- Beveridge Island
- Coode Island
- Gunbower Island
- Herring Island
- Jordans Island
- Pental Island
Western Australia
Over 1,000 islands have been gazetted â€" only the island groups and major islands are listed.
- Ashmore Reef
- Barrow Island
- Bonaparte Archipelago
- Buccaneer Archipelago
- Cockatoo Island
- Cocos (Keeling) Islands
- Cape Leeuwin Islands
- Carnac Island
- Dampier Archipelago
- Dirk Hartog Island
- Garden Island
- Houtman Abrolhos
- Easter Group
- Pelsaert Group
- Wallabi Group
- Lacepede Islands
- Lowendal Islands
- Mary Anne Group
- Montebello Islands
- Recherché Archipelago
- Rottnest Island
- Rowley Shoals
- Scott and Seringapatam Reefs
- Shark Bay islands
- Wedge Island
Australian Territories
Jervis Bay Territory
- Bowen Island
Australian Capital Territory
- Aspen Island
- Pine Island
- Spinnaker Island
- Springbank Island
External Territories
- Ashmore and Cartier Islands
- Australian Antarctic Territory
- Achernar Island
- Masson Island
- Hawker Island (68° 39'S, 77° 52'E)
- Frazier Islands (66° 14'S, 110° 10'E)
- Giganteus Island (67° 37'S, 62° 33'E)
- Christmas Island
- Cocos (Keeling) Islands
- Horsburgh Island
- Home Island
- North Keeling Island
- West Island
- Coral Sea Islands
- Cato Island
- Elizabeth Reef
- Middleton Reef
- Willis Island
- Heard Island and McDonald Islands
- Norfolk Island
- Nepean Island
- Phillip Island
See also
- List of islands
- List of islands in the Pacific Ocean
- List of islands in the Indian Ocean
- List of islands of Asia
- List of Torres Strait Islands