Eagle Ray Scuba Divers
- Instruction, certification, and ocean and cenote dive trips in the Cancun and Cozumel area.
- http://www.eaglerayscubadivers.com/

Hurricane Divers
- Huatulco. Information about PADI Resort Center and services as well as local dive sites.
- http://www.hurricanedivers.com/

Puerto Dive Center
- Puerto Escondido. Offers NAUI and PADI certifications, as well as one- and two-tank guided dives. They also provide updated commentary on local dive conditions.
- http://www.scuba-diving-mexico.com

Pro Dive Mexico
- Puerto Aventuras. Information about training and local dive sites, photos and videos.
- http://www.prodivemex.com

Wet Set Diving Adventures
- Puerto Morelos. Instruction, certification, and trips in the Caribbean, along with equipment sales.
- http://www.wetset.com/

Dreamtime Dive Resort
- Mahahual. PADI certification, instruction, recreational diving and snorkeling.
- http://www.dreamtimediving.com/

Underworld Scuba
- Information and photos on scuba diving and snorkeling from Manzanillo, including classes and excursions offered as well as retail sales.
- http://www.divemanzanillo.com

Acapulco Scuba Center
- List of courses and daily trips, with information on staff, facilities, and dive spots. [English/Spanish]
- http://www.acapulcoscuba.com/

ScubaBoard
- Active discussion forum for diving in the country.
- http://www.scubaboard.com/forumdisplay.php?f=29

Adventure Quest
- Scuba instruction and PADI certifications to all levels, daily dive trips in small groups, in Puerto Vallarta, Cozumel, and Playa del Carmen.
- http://www.oceanquestmexico.com

Dale's Dive Shop
- Located in La Bufadora, Baja California, they offer equipment rental, boat charters and bunkhouse lodging. They provide rates, photos, and travel and lodging advice.
- http://www.labufadoradive.com/

Las Parras Tours
- Snorkeling and scuba classes, trips, and equipment from Loreto. They detail class contents, provide prices, and overview dive sites.
- http://www.divingbaja.com/

Cabo Pulmo Divers
- Certification and instruction available, along with information on local dive sites and dive reports.
- http://www.cabopulmo.com.mx/

Dive Aventuras
- PADI 5 Star IDC Center specializing in ocean, cavern and cave diving. Technical supplies and instruction available to cave divers and novices alike.
- http://www.diveaventuras.com/

Lucky Fish Diving
- Tankah Tres. Information on instruction, local accommodations, dive sites, rates, and contact details.
- http://www.luckyfishdiving.com

Dolphin Dive Center
- Full service PADI qualified diving in Loreto Marine Park. Instruction, rentals, group rates available.
- http://www.dolphindivebaja.com

Ixtapa Aqua Paradise
- PADI Dive Center & Resort, with information on instruction, descriptions of local sites and contact details. English or Spanish versions available.
- http://www.ixtapaaquaparadise.com

Scuba Vallarta
- Provides information and online reservations for the Bay of Banderas, Puerta Vallarta and the Mexican Pacific. Dive site descriptions, photo gallery, and newsletter are available.
- http://scuba-vallarta.com

Akumal Dive Center
- Information on recreational, cave and cavern diving courses and dive trips. Online information request form.
- http://www.akumaldivecenter.com

Akumal Dive Shop
- Information includes PADI instruction, details on local diving, snorkeling, cavern and cave diving opportunities.
- http://akumaldiveshop.com

Swiss Divers
- Diving center in Acapulco offering courses in PADI and NAUI. Now offering wreck diving and nitrox.
- http://www.swissdivers.com