08/06/2026
Australian Coastal and Ocean Facts.
* Australia has 10,685 beaches.
* Australia has 41,802km2 of coral reefs. 16.1% of the worlds coral reefs.
* Australia has approximately 1 million hectares of mangrove forests.
* In Tasmania since 1940 to 2015 the kelp forests have been reduced from 400 to 10 hectares due to climate change and rising sea temperatures.
* 1 in 10 Australians have a boat license, 95,000 jet skis and 2.5 million boats.
* Australia has 8222 islands within its maritime borders.