Murray Island in the Torres Strait Island Region, Queensland, Australia. The island is part of the Murray Island Group in the Torres Strait. The town is on the island's northwest coast and within the locality of Mer Island. The island is of volcanic origin, the most easterly inhabited island of the Torres Strait Islands archipelago, just north of the Great Barrier Reef. The name Meer/Mer/Maer comes from the native Meriam language. In the 2016 census, Murray Island had a population of 453.
The island is populated by the Melanesian Meriam people. There are eight tribes on Mer: Komet, Zagareb, Meuram, Magaram, Geuram, Peibri, Meriam-Samsep, Piadram/Dauer. The island's organisation is based on traditional laws of boundary and ownership.