Wagait Beach is a locality approximately 8 km west of Darwin, on the opposite side of the harbour. It makes up the Wagait Shire local government area. The population was approximately 370 in 2011. Wagait Beach is not part of Darwin, but many of its residents use the Mandorah ferry to travel to work in Darwin.
Wagait Beach is on the north coast of the Cox Peninsula, which forms the western side of Darwin Harbour. It is part of the Hundred of Bray, as surveyed by Goyder in 1869-70. "Wagait" (also spelled "Waugite") is a local Aboriginal language word meaning beach or salt water country. It also refers to the people from that country: i.e., salt water people.