BigBlue Diving is a PADI 5 Star Instructor Development Centre based in the Xinyi district of Taipei City. The team runs recreational and technical courses from Discover Scuba Diving through Open Water, Advanced Open Water and Rescue Diver up to Divemaster and the full instructor-development pathway (IDC, IDC Staff, EFR Instructor), plus specialties such as Nitrox, deep diving, sidemount and underwater photography. Its main diving ground is Long Dong Bay (Dragon Cave Bay) on Taiwan's northeast coast, a 24m-max-depth site with 7-15m visibility, reached by round-trip transport organised from the Taipei dive centre; guided fun dives and refresher dives are offered for certified divers alongside the courses. The centre also runs a dive-gear shop, rental and maintenance service.