Cave Diving Groups and Associations

• The Blue Holes Foundation  - Explore the foundation's goals, publication listings and general cave education page. With cave related articles.
• European Karst Plain Project  - Chronicles the exploration efforts of the group. With project information, training details and media gallery.
• Grupo de Exploracion Ox Bel Ha  - Includes group's history, underwater cave system exploration details, media gallery, maps, related articles, and FAQs section.
• National Speleological Society - Cave Diving Section  - Ushers cave diving facts, membership information, accomplishment report, news and events updates, and media gallery.