Cardiff University Sub-Aqua Club (CUSAC) is a registered branch of the British Sub-Aqua Club (BSAC) and a sports club within Cardiff University Athletic Union (AU.) We have a large membership base from trainee Ocean Divers to Advanced Divers and Open Water Instructors. As a University Club we have a huge diversity of members from different walks of university life, so it is an excellent opportunity to meet many different people.