Blue World Diving
Utende
+255 777424588
Offers diving for advanced and novice divers in safety under professional instruction. The centre is managed by Kinasi resident Dive Instructors. They have been assisting marine research for over six years.
Diving, snorkeling. Some resorts and lodge have dive centers. The only independent one is The Big Blu (http://www.bigblumafia.org)
North Mafia Island
Bweni
Beautiful beaches 3km and in contrast the Chole Bay side of Mafia is superb for diving and snorkelling. Completely different part that is quite another world of vegetation, beaches and activities. Complete isolation from any other tourist facility or commercial activity of any kind.