|Area||0.73 km2 (0.28 sq mi)|
Houghton Island is part of the Great Barrier Reef Marine Park and the easternmost island in the Cole Islands group and National Park and is about 100 km south-east of Cape Melville, Queensland. It is around 73 hectares or 0.73 square km in size.
Houghton Island is a vegetated sand cay located 25 km from the coast, well established with coconut palms and sisal that provide a habitat for a number of roosting birds and Green Turtles and Hawksbill Turtles.
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