High Quality Content by WIKIPEDIA articles! Moreton Island is a large sand island on the eastern side of Moreton Bay, on the coast of south-east Queensland, Australia. Moreton Island lies 58 kilometres northeast of the Queensland capital, Brisbane. The island is 95% National Park and a popular destination for four wheel driving, camping, recreational angling and whale watching. Together with Fraser Island, Moreton Island forms the largest sand structure in the world.