Mangrove Mountain is a suburb of the Central Coast region of New South Wales, Australia, located about 14 kilometres (9 mi) upstream and north of Spencer along Mangrove Creek. It is part of the Central Coast Council local government area. It is approximately 300 kilometres from the capital city of Australia, Canberra.
The area is home to a Greek Orthodox monastery, Pantanassa, and to Mangrove Mountain Union Church. Also within the region is an ashram. It is also home to Mangrove Mountain Memorial Golf Club, a 10-hole, 18 tee golf course, currently in development.