A good place to learn to dive is with a club, they are nostly affiliated to the governing bodies PADI & BSAC who provide guidelines on training, safety and other matters.

The British Sub-Aqua Club

Clubs in Cornwall

Falmouth Diving Club

Lizard Diver 

Kernow Sub Aqua Club

Looe Diving Club

Peninsula Sub-aqua Club

Tolgus Sub Aqua Club

Clubs in Devon

Ilfracombe and North Devon SAC

Bovisand Recreational Diving Club

Exeter British Sub Aqua Club

Totnes British Sub-Aqua Club 

Clubs in Dorset

Weymouth and Portland BSAC

Clubs in Somerset

Bath Sub-Aqua Club   

Clubs in Bristol

Bistol Aerospace Sub-Aqua Club

Severnside Sub-Aqua Club
Clifton Sub-aqua Club Bristol