The most proactive conservationists on Pulau Mabul, Scuba Junkie employs two full-time environmentalists and recycles much of its profits into its turtle-hatchery and shark-conservation efforts. Highly professional diving outfit, small-group diving, excellent divemasters and comfortable accommodation at Mabul Beach Resort. The Semporna office arranges day diving trips off Sibuan and Mantabuan islands in the Tun Sakaran Marine Park.