Magra Islet is off the coast of Queensland, Australia 15 km northeast of Cape Grenville in the Great Barrier Reef Marine Park. Situated on the north end of Cockburn reef, 2 1/2 km from Bootie Island; it is little more than a sandy shoal with little vegetation.
Map of Magra Islet, Shelburne QLD 4874, Australia
References
Magra Islet Wikipedia(Text) CC BY-SA