By Ardfern - Own work, CC BY-SA 3.0

It sits at the head of Carlingford Lough, south of Newry, and is separated from the Republic of Ireland by a narrow strait. The town is beside the village of Rostrevor and is overlooked by the Mournes and Cooley Mountains. Warrenpoint sprang up within the townland of Ringmackilroy (from Irish Rinn Mhic Giolla Ruaidh, meaning 'McIlroy's point'), and is locally nicknamed "The Point".

Warrenpoint is known for its scenic location, the Maiden of Mourne festival, the Blues on the Bay music festival, the passenger ferry service between Warrenpoint and Omeath and the nearby Narrow Water Castle. Warrenpoint Port is second in terms of tonnage handled by ports in Northern Ireland. It had a population of 8,732 at the 2011 Census.