The various Nosy Be diving clubs will take you to visit some of the most beautiful seabed in the world. The excursion is generally done for half a day with the possibility of doing one or two dives. We recommend: Mada scuba, Tropical Diving or further afield Forever Dive and Scuba Nosy Be. About 70 € for the two dives with decreasing prices with all the equipment included. A guide can come and visit the island at an additional cost without diving.