List of islands of Australia
This is a list of selected Australian islands grouped by state or territory. Australia has 8,222 islands within its maritime borders.
Largest islands
By area
Australia is often referred to as an island continent as it is surrounded by ocean. Mainland Australia has a total area of.Fringing islands larger than are:
- Tasmania ;
- Melville Island, Northern Territory, ;
- Kangaroo Island, South Australia, ;
- Groote Eylandt, ;
- Bathurst Island, ;
- Fraser Island, Queensland, ;
- Flinders Island, ;
- King Island, ; and
- Mornington Island,.
By population
New South Wales
- Amherst Island, in Lake Mummuga
- Ash Island, in the lower Hunter River
- Bare Island, near the north headland of Botany Bay
- Belowla Island, off Kioloa Beach
- Bird Island, located
- Boondelbah Island, at the mouth of Port Stephens
- Brisbane Water:
- * Pelican Island
- * Riley's Island
- * St Hubert's Island
- Broughton Island, located north of Port Stephens
- Broulee Island, located off the coast at Broulee
- Brush Island, off Bawley Point
- Cabbage Tree Island, at the mouth of Port Stephens
- Cabbage Tree Island, in the Richmond River
- Carter's Island, in Botany Bay near the mouth of George's River
- Clarence River estuary:
- * Ashby Island
- * Chatsworth Island
- * Freeburn Island
- * Goodwood Island
- * Harwood Island
- * Micalo Island
- * Palmers Island
- * Thorny Island
- * Warregah Island
- * Yargai Island
- Clark Island, in Sydney Harbour
- Cockatoo Island, in Sydney Harbour, originally used as a prison and later developed as a shipyard
- Comerong Island, in the Shoalhaven River estuary
- Coocumbac Island, in the Manning River at Taree
- Cook Island, located near Tweed Heads
- Crampton Island, off the mouth of Lake Tabourie
- Dalhunty Island, in Wilson River at Telegraph Point
- Dangar Island, a small forested island in the Hawkesbury River
- Darling Island, a former island subsequently bridged by land, part of Pyrmont, in Sydney Harbour
- Elizabeth Island, in the Clarence River near Grafton
- Esk Island, in the north arm of the Clarence River
- Fatima Island, a tidal island of the Cook's River
- Fattorini Island, in the Macleay River near Smithtown
- Fort Denison, also known as Pinchgut
- Five Islands Nature Reserve, a group of islands off the coast of Wollongong:
- * Bass Island
- * Big Island
- * Martin Island
- * Red Island
- * Tom Thumb Island
- Garden Island
- Glebe Island
- Goat Island, a rocky island in Sydney Harbour
- Green Island, a small island north of Smoky Cape
- Green Island, off the mouth of Lake Conjola
- Hexham Island, in the lower Hunter River
- Honeysuckle Island, in Wallaga Lake
- Horse Island, in Tuross Lake
- Joass Island, located in Little Swan Bay, Port Stephens
- Kurrajong Island, in the Shoalhaven estuary
- Lake Illawarra:
- * Berageree Island
- * Bevan's Island
- * Gooseberry Island
- * Hooka Island
- * Picnic Island
- * Cudgeree Island
- Kooragang Island, in the lower Hunter River
- Lake Eucumbene:
- * Grace Lea Island
- * Hallstrom Island
- * Heron Island
- * Teal Island
- Lion Island, in Broken Bay
- Little Rawdon Island, in Hastings River downstream of Wauchope
- Long Island, in the Hawkesbury River
- Lord Howe Island, a small oceanic island in the Tasman Sea, east of the Australian mainland; it is the most remote island of Australia to not fall under external territory status
- * Ball's Pyramid
- * Admiralty Group
- Manning River estuary:
- * Cabbage Tree Island
- * Dumaresq Island
- * Mitchell's Island
- * Oxley Island
- Merriman Island, in Wallaga Lake
- Milson Island, in the Hawkesbury River
- Montague Island, east of Narooma on the south coast
- Moon Island, 1 km off Swansea Heads
- Muttonbird Island, off Coffs Harbour
- Newry Island, in the Kalang River near Urunga
- Numbaa Island, in the Shoalhaven River
- Payne's Island, in Wallaga Lake
- Peat Island, in the Hawkesbury River
- Pig Island, in the Shoalhaven River
- Pimlico Island, in Richmond River near Wardell
- Pinchgut - see Fort Denison, a former penal site and defensive facility in Sydney Harbour
- Pulbah Island, the largest island in Lake Macquarie
- Rawdon Island, in Hastings River downstream of Wauchope
- Reedy Island, in Tuross Lake
- Regatta Island, in Wallis Lake
- Rodd Island, a small island in Iron Cove, an arm of Port Jackson
- Sanctuary Island, in Narrabeen Lagoon
- Scotland Island, in Pittwater
- Shark Island, in Sydney Harbour
- Snapper Island, in Sydney Harbour
- Spectacle Island, in the Hawkesbury River
- Spectacle Island, in Sydney Harbour
- Solitary Islands
- * North Solitary Island
- * South Solitary Island
- * Southwest Solitary Island
- * Mid Solitary Island
- * Split Solitary Island
- Stott's Island, in Tweed River at Tumbuulgum
- Stuart's Island, in Nambucca River at Bellwood
- Sultan's Island off coast 4 km north of Eden
- Susan Island, in Clarence River at Grafton
- Teribah Island, at The Entrance, Tuggerah Lake
- Tollgate Islands, in Bateman's Bay
- Ukerebagh Island, in Tweed River at South Tweed Heads
- Wallis Island, in Wallis Lake
- Wasp Island, the only island in Durras Inlet near Batemans Bay
- Wedding Cake Island, a small island off the coast of Coogee
- Windang Island, a small island at the entrance to Lake Illawarra
- Woodford Island, in the Clarence River immediately upstream of Maclean
- Yellow Rock Island, at junction of Bellinger and Kalang Rivers near Urunga
Northern Territory
- Bathurst Island
- Bickerton Island
- Bruney Island
- Crocodile Islands
- Croker Island
- East Woody Island
- Elcho Island
- Goulburn Islands
- Groote Eylandt - The name is an archaic spelling of the Dutch words for "Big Island" - Australia's 4th largest island
- Howard Island
- Inglis Island
- Marchinbar Island
- Martjanba Island
- Melville Island, the second largest island in Australia
- Quail Island
- Sir Edward Pellew Group
- Tiwi Islands
- Vanderlin Island
- Wessel Islands
Queensland
- Acheron Island
- Agnes Island
- Albino Rock
- Aplin Islet
- Arnold Islets
- Avoid Island
- Baird Island
- Barber Island
- Barrow Island
- Bayley Island
- Bedarra Island
- Beesley Island
- Bentinck Island
- Bird Islands
- Bishop Island
- 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, Cape York Peninsula
- Denham Island, Wellesley Islands
- Douglas Islet
- Duncan Islands
- Dunk Island
- Eagle Island
- Ellis Island
- Ephraim Island
- Esk Island
- Eclipse Island
- Fantome Island
- Falcon Island
- Fisher Island
- Fisherman Island
- Fitzroy Island
- Fly Island
- Frankland Islands
- * Russell Island
- K'gari, the largest sand island in the world
- Gebar Island
- Goold Island
- Gore Island
- Great Keppel Island
- Great Palm Island
- Green Island
- Haggerston Island
- Hales Island
- Hannibal Islands
- Harvey Island
- Heron Island
- High Island
- Hinchinbrook Island
- Horseshoe 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
- * Bedwell Group
- * Beverley Group
- * Broad Sound Islands
- * Duke Islands
- * Flat Isles
- * Guardfish Cluster
- * Percy Isles
- Orpheus Island
- Paddy Island
- Pains 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
- * Perulpa Island
- * Lamb Island
- * Karragarra Island
- Saibai Island, in the Torres Strait
- Stapleton Island
- Stephens Island
- Struck Island
- Sunday Island
- Sunter Island
- Sweers Island
- Talbot Islands
- Tern Island
- Thomson Islet
- Thorpe Island
- Three Islands
- The Three Sisters
- * Sue Islet
- Torres Strait Islands
- Trochus Island
- Turtle Group
- Watson Island
- Wellesley Islands
- *North Wellesley Islands
- *South Wellesley Islands
- *West 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