Castlereagh SAC, (CSAC) was formed in 1975 and currently has a membership of approximately 75. These members come from all walks of life, the common denominator being their desire to see the fantastic treasures beneath the waves.

The Club’s instructors are all BSAC Instructors. We have 7 Advanced Instructors, 1 Open Water Instructor, 4 Assist. Instructors, all trained to BSAC’s exacting standards. All of our instructors are unpaid - they do it for the love of it.

We are an active club diving every weekend and also on Thursday evenings during the summer months.  We offer diving from beginners all the way through to technical diving.

With our own clubhouse, compressor and gas mixing facilities, 2 Ribs and 10 full sets of training equipment we are one of the best equipped clubs in Northern Ireland.