Tropical Cyclone Steve was a tropical cyclone that affected northern Australia from 27 February 2000 until 11 March 2000. Cyclone Steve was noted for its longevity and traversal of northern and western Australia. It impacted on regions of northern Queensland, the Northern Territory and Western Australia before clearing to the south of the continent. Steve is the first known Australian cyclone to make four distinct landfalls in the country.

Mornington Island, also known as Kunhanhaa, is an island in the Gulf of Carpentaria in the Shire of Mornington, Queensland, Australia. It is the northernmost and largest of 22 islands that form the Wellesley Islands group. The largest town, Gununa, is in the south-western part of the island.