Blue Marine Divers (ブルーマリーンダイバーズ) is a Japanese-language dive operator based in Phuket, Thailand, providing services with Japanese instructor accompaniment. Programmes cover try diving (体験ダイビング) at Kata Beach (half-day, 1 dive), Racha Yai Island (day trip, 2 dives), and Racha Noi Island (day trip, 2 dives). Fun diving (ファンダイビング) for licensed divers is offered to Kata, Racha Yai, Racha Noi, Phi Phi, and King Cruiser sites, plus Similan Islands day trips and cruises. Diving licence courses (Open Water, Advanced, Nitrox) are also available.