Dunk Island, known as Coonanglebah in the Warrgamay and Dyirbal languages, is an island within the locality of Dunk in the Cassowary Coast Region, Queensland, Australia. It lies 4 kilometres (2.5 mi) off the Australian east coast, opposite the town of Mission Beach. The island forms part of the Family Islands National Park and is in the larger Great Barrier Reef World Heritage Area.

Mission Beach is a coastal town and locality in the Cassowary Coast Region, Queensland, Australia. In the 2016 census, the locality of Mission Beach had a population of 815 people.