Includes details of services, prices, booking and contact. Located in Tulum, Mexico. [German and English].

Pictures and descriptions of cave diving trips in Mexico and Florida, including some of the more off the beaten track sites.

Exploration and scientific investigations of underwater caves in the Bahamas.

Multiple discussion boards feature gear exchange, trip reports, incident reporting and analysis, buddies and resources.

The national organisation for Australia.

The official web site for the CDG of Great Britain.

The exploration of Drakos and Polidrosso together with team, equipment and contact information.

Features diving in cenotes, caves and underground rivers in the Riviera Maya and the Yucatan Peninsula. Includes underwater photos and scuba videos.

South Georgia enthusiast offers statistical summary of his dives, articles, photos, projects, tips, files. Includes contact form.

News and information about Thailand's Cave Diving Project.

Offers cave training, SCUBA equipment sales and services, air fills, accommodations and personalized trips. Includes photo gallery and contact information. Located in Live Oak, Florida.

Discussion group covering all the various aspects of cavern & cave diving worldwide. Posts, calendar, members list, advice, locations, trip reports.

Cave Divers Association of Australia.

DIR Mexico provides quality cave diving instruction, training and guiding in Mexico's Yucatan Peninsula. GUE and NACD cave courses and instruction.

PADI 5 Star IDC Center specializing in ocean, cavern and cave diving. Technical supplies and instruction available to cave divers and novices alike. NACD Introduction to Cave, Full Cave, Nitrox and Advanced Nitrox courses are available upon request.

Offering beginner to advanced instruction. Includes details of course requirements and limits, FAQs, photos and contact form. Located in Live Oak, Florida.

Cave/cavern diving at the Mexican resort hotel of Villa de Rosa.

European Cave Diving Project 2001. Details of the European cave penetration record achieved in August 2001 by a pan-European team of divers.

Includes history, members and sponsors, projects and photos.. Exploration primarily takes place in France.

Extreme underwater video production and services. DVDs for sale, technical diving instruction, expeditions and information on available services.

Information on cave diving in the North Central Florida springs area and Mexico. Pictures, descriptions and links.

A mailing list established to promote an exchange of cave diving related issues via Internet.

Dedicated to the continued exploration of the world's largest underwater cave system and the largest cave system in the Mexican Republic, located in the Yucatan Peninsula. Includes members, history of the system, maps, FAQs, articles.

Underwater photographs of the cenotes in the Riviera Mayan region of Mexico.

Includes guides to area locations, rental and charter prices, marine forecasts and tides, essays, photos and links.

A basic introduction to safe cave diving with some nice photographs.

An organisation undertaking exploration, scientific study and mapping of water filled caves and related features in México and Central America.

National Association For Cave Diving based in Florida, USA.

The main organisation for cave divers in the USA.

Exploration, survey and cartography of the underwater caves of Quintana Roo, Mexico.

Safety information from the San Marcos Area Recovery Team, National Speleological Society, USA.

Offers information on training, links, and contacts. Located in Quintana Roo, Mexico.

Covers what is involved, who can be a diver, when, where and how. Includes safety rules for diving in Florida and Mexico.

Offering courses for technical diving, including but not limited to, cavern, full cave, a decompression course extended range, advance nitrox as well as trimix. Includes details and location.

An organisations undertaking exploration of deep underwater caves in North Florida.