Blue Holes Foundation
Dedicated to exploration and scientific investigations of underwater caves in the Bahamas. Includes general information, photos and a list of publications. Located in Charleston, S…
European Karst Plain Project
The EKPP explores underwater caves, mainly in France. Projects, images, video, training information and contacts.
Florida Cave Diving
Information on cave diving in the North Central Florida springs area and Mexico. Pictures, descriptions and links.
Grupo de Exploracion Ox Bel Ha
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. Include…
Mexico Profundo
An organisation undertaking exploration, scientific study and mapping of water filled caves and related features in México and Central America.
Quintana Roo Speleological Survey
Exploration, survey and cartography of the underwater caves of Quintana Roo, Mexico.
SMART Cave Diving Policy
Safety information from the San Marcos Area Recovery Team, National Speleological Society, USA.
Woodville Karst Plain Project
An organisations undertaking exploration of deep underwater caves in North Florida.