Mombasa Marine National Park and Reserve is a marine park and national reserve in Mombasa, Kenya. The park is 10 km² (2,500 acres) while the reserve is 200 km² (49,400 acres).
It is located on the coast near tourist areas and is a popular beach because of the snorkeling and diving. It is the most heavily visited of Kenya’s marine parks. It has coral reefs in its waters.
It was established as a Marine Park in 1986, and encloses part of the lagoon, back reef and reef crest habitats of the Bamburi-Nyali fringing reef.
The Marine Park is characterized by warm tropical conditions varying at the surface between 25°C and 31°C during the year, stable salinity regimes and moderate nutrient levels.