This is a list of selected Australian islands grouped by state or territory. Australia has 8,222 islands within its maritime borders. [1]
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The islands larger than 1,000 square kilometres (390 sq mi) are: [2] [3]
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.
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; [6] 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.
Protected areas of Tasmania consist of protected areas located within Tasmania and its immediate onshore waters, including Macquarie Island. It includes areas of crown land managed by Tasmanian Government agencies as well as private reserves. As of 2016, 52% of Tasmania's land area has some form of reservation classification, the majority is managed by the Tasmania Parks & Wildlife Service. Marine protected areas cover about 7.9% of state waters.
An islet is generally a small island. Definitions vary, and are not precise, but some suggest that an islet is a very small, often unnamed, island with little or no vegetation to support human habitation. It may be made of rock, sand and/or hard coral; may be permanent or tidal ; and may exist in the sea, lakes, rivers or any other sizeable bodies of water.
Port Phillip or Port Phillip Bay is a horsehead-shaped enclosed bay on the central coast of southern Victoria, Australia. The bay opens into the Bass Strait via a short, narrow channel known as The Rip, and is completely surrounded by localities of Victoria's two largest cities — metropolitan Greater Melbourne in the bay's main eastern portion north of the Mornington Peninsula, and the city of Greater Geelong in the much smaller western portion north of the Bellarine Peninsula. Geographically, the bay covers 1,930 km2 (750 sq mi) and the shore stretches roughly 264 km (164 mi), with the volume of water around 25 km3 (6.0 cu mi). Most of the bay is navigable, although it is extremely shallow for its size — the deepest portion is only 24 m (79 ft) and half the bay is shallower than 8 m (26 ft). Its waters and coast are home to seals, whales, dolphins, corals and many kinds of seabirds and migratory waders.
Jervis Bay is a 102-square-kilometre (39 sq mi) oceanic bay and village in the Jervis Bay Territory and on the South Coast of New South Wales, Australia. In the Dhurga language of the Aboriginal inhabitants of the area, it is called Booderee, which translates as "bay of plenty".
Long Island is a densely populated island in the southeastern geographical area of the State of New York.
Broken Bay, a semi-mature tide-dominated drowned valley estuary, is a large inlet of the Tasman Sea located about 50 kilometres (31 mi) north of Sydney on the Central Coast of New South Wales, Australia; being one of the bodies of water that separate greater Metropolitan Sydney from the Central Coast. Broken Bay is the first major bay north of Sydney Harbour in the state capital of Sydney.
The Hawkesbury River, or Hawkesbury-Nepean River a river located northwest of Sydney, New South Wales, Australia. The Hawkesbury River and its associated main tributary, the Nepean River, almost encircle the metropolitan region of Sydney. The river between Wisemans Ferry and the Pacific Ocean marks the boundary of Greater Metropolitan Sydney in the south and the Central Coast region to the north.
Port Stephens, an open youthful tide-dominated drowned-valley estuary, is a large natural harbour of approximately 134 square kilometres (52 sq mi) located in the Hunter and Mid North Coast regions of New South Wales, Australia.
The Shoalhaven River is a perennial river that rises from the Southern Tablelands and flows into an open mature wave dominated barrier estuary near Nowra on the South Coast of New South Wales, Australia.
Green Island or Greene Island can refer to:
The Sydney Basin is an interim Australian bioregion and is both a structural entity and a depositional area, now preserved on the east coast of New South Wales, Australia and with some of its eastern side now subsided beneath the Tasman Sea. The basin is named for the city of Sydney, on which it is centred.
The Wollondilly River, an Australian perennial river that is part of the Hawkesbury–Nepean catchment, is located in the Southern Tablelands and Southern Highlands regions of New South Wales. The river meanders from its western slopes near Crookwell, flowing south-east through Goulburn, turning north-east to near Bullio, flowing north-west to Barrallier, before finally heading north-easterly into its mouth at Lake Burragorang.
Maria Island or wukaluwikiwayna in palawa kani is a mountainous island located in the Tasman Sea, off the east coast of Tasmania, Australia. The 115.5-square-kilometre (44.6 sq mi) island is entirely occupied by the Maria Island National Park, which includes a marine area of 18.78 square kilometres (7.25 sq mi) off the island's northwest coast. The island is about 20 kilometres (12 mi) in length from north to south and, at its widest, is about 13 kilometres (8.1 mi) west to east. At its closest point, Point Lesueur, the island lies approximately 4 kilometres (2.5 mi) off the east coast of Tasmania and is connected by ferry with Triabunna.
Pittwater is a semi-mature tide dominated drowned valley estuary, located about 40 kilometres (25 mi) north of the Sydney central business district, New South Wales, Australia; being one of the bodies of water that separate greater Metropolitan Sydney from the Central Coast.
The geography of Sydney is characterised by its coastal location on a basin bordered by the Pacific Ocean to the east, the Blue Mountains to the west, the Hawkesbury River to the north and the Woronora Plateau to the south. Sydney lies on a submergent coastline on the east coast of New South Wales, where the ocean level has risen to flood deep river valleys (rias) carved in the Sydney sandstone. Port Jackson, better known as Sydney Harbour, is one such ria.
Montgomery Reef is a reef off the Kimberley coast of Western Australia. It is situated at the south western end of Camden Sound and surrounds Yawajaba (Montgomery) Island. With its total area of 400 square kilometres (154 sq mi), it is the world's largest inshore reef. The nearest populated place is Bardi, which is approximately 130 kilometres (81 mi) to the south west.
Nepean Bay is a bay located on the north-east coast of Kangaroo Island in the Australian state of South Australia about 130 kilometres south-south-west of Adelaide. It was named by the British navigator, Matthew Flinders, after Sir Evan Nepean on 21 March 1802.
Captain Cook Cruises is an Australian cruise operator. As of January 2018, the company operated 21 vessels on Sydney Harbour, providing a range of Government contracted and non-contracted Ferry services, Sightseeing, Dining and Charter Cruises.
Solitary Islands Marine Park (SIMP) is a marine park in New South Wales State waters, Australia. It adjoins the Solitary Islands Marine Reserve and was declared under the Marine Parks Act 1997 (NSW) in January 1998. Prior to this it was declared a marine reserve in 1991. The Park was one of the first declared in NSW and stretches along the northern NSW coast, from Muttonbird Island, Coffs Harbour, to Plover Island near Sandon River, 75 kilometres to the north. It includes coastal estuaries and lakes and extends from the mean high water mark, to three nautical miles out to sea, covering an area of around 72,000 hectares. There are five main islands in the Park, North Solitary Island, North West Solitary Island, South West Solitary Island, South Solitary Island and Split Solitary Island, as well as other significant outcrops such as Muttonbird Island and submerged reefs.
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