A sand island is an

island An island or isle is a piece of land, distinct from a continent, completely surrounded by water. There are continental islands, which were formed by being split from a continent by plate tectonics, and oceanic islands, which have never been ...

that is mostly made of

sand Sand is a granular material composed of finely divided mineral particles. Sand has various compositions but is usually defined by its grain size. Sand grains are smaller than gravel and coarser than silt. Sand can also refer to a textural ...

. The largest sand island in the world is K'gari, Australia. Other examples of large sand islands are Moreton, North Stradbroke and Bribie Islands which lie south of K'gari (

Fraser Island K'gari ( , ), also known by its former name Fraser Island, is a World Heritage-listed sand island along the south-eastern coast in the Wide Bay–Burnett region of Queensland, Australia. The island lies approximately north of the state capi ...

) off the east coast of

Brisbane, Australia Brisbane ( ; ) is the List of Australian capital cities, capital and largest city of the States and territories of Australia, state of Queensland and the list of cities in Australia by population, third-most populous city in Australia, with a ...

References

Landforms {{topography-stub