Magdelaine Cays, Coringa Islets and Herald Cays are part of the 8856 km2 Coringa-Herald National Nature Reserve, created on 16 August 1982 and located around 400 km east of Cairns and 220 to 320 km from the outer edge of the Great Barrier Reef.
Caios Magdelaine, Illotes Coringa e Caios Herald forman parte dos 8856 km² da Reserva Natural Nacional Coringa-Herald, creada o 16 de agosto de 1982 e situado a uns 400 km ao leste de Cairns e 220 á 320 km desde o bordo exterior da Gran Barreira de Coral.