Mafia Marine Park
Mafia Island, located 120km south of Dar es Salaam is surrounded by some of the richest reefs in the world, with over 50 types of corals and 400 species of fishes identified so far. Mafia’s best diving is at depths less than 30 m where you can see most kind of tropical Marine habitats, including exposed fringing reefs, rock walls, soft coral and algae dominated reefs. Large predatory fish and turtles are common and mostly unaffected by approaching divers. Chole Bay, Mafia’s protected deep-water anchorage, is a part of protected Marine Park. The diving here is amongst the most spectacular in the world and includes colorful coral gardens, walls at various levels and many shelves and coral heads.