Rottnest Island, also locally referred to as Rotto or Rottnest, is located 18 kilometers off the coast of Western Australia, near Fremantle. It is called Wadjemup by the Noongar people, meaning "place across the water". The island is 11 kilometers long, and 4.5 kilometers at its widest point with a total land area of 19 km². It is the finish location of the annual Rottnest Channel Swim and is managed by the Rottnest Island Authority. It is part of the Quatro Break or Quatro Crown of Prison Island Swims coined by Ned Denison.
It has been an important local holiday destination for over 50 years. The Rottnest Island Authority collects revenue by imposing a landing fee on all visitors to the island.
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