Mann Scuba Divers
- Dive centre offering PADI training courses, diving trips and kit hire. Includes information on local dive sites and a photo gallery. Based in Ramsey, Isle of Man.
- http://www.mannscubadivers.co.uk

T & T Divers
- Dive boat charter and equipment servicing. Includes details on wreck and drift dives available and calendar of dates. Based in St. Lawrence, Jersey.
- http://www.ttdivers.co.uk

Bouley Bay Dive Centre
- Offer PADI and TDI training courses and boat trips. Equipment sales, hire and servicing. Based in Trinity, Jersey.
- http://diving.srenterprises.co.uk

Sark Diving Services (Channel Islands)
- The UKs most southerly dive sites all with perfect visibility, reefs wrecks and caves, 36ft hardboat with full diving facilities, air nitrox and trimix always available.
- http://www.sarkci.com