Frontier Divers
- Guided diving and snorkeling as well as PADI certification courses and equipment rental. Provides dive site descriptions, pricing, and contact information.
- http://www.frontierdiverstt.com/

Association of Tobago Dive Operators
- Directory of operators, hotels, magazines and allied members, with information on local recompression chamber.
- http://www.tobagoscubadiving.com/

Ron's Watersports and Dive Center
- Based in Charlotteville, with details on local dive sites, instruction, rates, photos, FAQs, and contacts.
- http://www.divetnt.com

Carib Divers.
- Located on Tobago, with information in English or German on instruction and dive sites.
- http://www.caribdivers.org

Adventure Eco Divers
- Find information on PADI instruction, rates and specials, photo gallery, dive site descriptions, and contact details.
- http://www.adventureecodivers.com

Tobago Scuba Diving Wild Turtle Dive
- Operates diving charters. Lists information on instruction, photographs, dive rates, general island information, and contact details.
- http://www.wildturtledive.com

World of Watersports
- PADI instruction, photo album, location map, descriptions of facilities and boats, rates and contact information are available.
- http://www.worldofwatersports.com/

Tobago Dive Experience
- Available information includes details on instruction, dive site descriptions, diving rates, accommodation links, map and guestbook.
- http://www.tobagodiveexperience.com/

Scuba Adventure Safari
- Find details on rates and reservations, dive sites, general tourist information, and contact particulars.
- http://www.divetobago.com

R&Sea Diver's Company
- Find information on local dive sites, general island facts, rates, and guestbook.
- http://www.rseadivers.com

Ocean Point Hotel
- Find information on accommodations, rates and packages, dive site descriptions, island FAQs, marine science courses, and general instruction.
- http://www.oceanpoint.com/opdive.htm

Manta Dive Center
- PADI instruction, information on dive sites, fishing charters, car rental, dive boat descriptions, and contact details are available.
- http://www.mantadive.com

AquaMarine Dive Ltd.
- Details on PADI instruction, island information, photos, descriptions of dive sites, and contacts.
- http://www.aquamarinedive.com/