Friends Anna & Ned DeLoach along with Paul Humann share their underwater encounters.

A grass-roots organization that seeks to conserve marine ecosystems by educating, enlisting and enabling divers and other marine enthusiasts to become active ocean stewards and citizen scientists.

Discover the marine life and extraordinary habitats that make up our nation's marine sanctuaries and the efforts to conserve them.

Formed in January 2005 in an effort to protect Roatan’s fragile coral reefs.

Stichting Nationale Parken Bonaire (STINAPA Bonaire) is a non-governmental, not for profit foundation commissioned by the island government to manage the two protected areas of Bonaire: the Bonaire National Marine Park & Washington Slagbaai National Park

Helps the world find pragmatic solutions to our most pressing environment and development challenge.

Another enlightening blog from our friends Anna & Ned DeLoach. Here, they blog about whatever strikes the BlennyWatcher’s fancy – Fishwatching, SCUBA Diving, Underwater Video, Travel – their topics are happily all over the place.

DAN's mission is to provide emergency medical advice and assistance for underwater diving and aquatic injuries, to work to prevent injuries, and to promote diving and aquatic safety, research and education.

Primary source of scientific information for diving and hyperbaric medicine physiology worldwide.

Provides the latest information on underwater photography and videography, and features up-to-date news, articles, equipment reviews, photo contests, dive expeditions, and a registered community of over 13,500 underwater photographers who span the globe.

A comprehensive underwater photography and videography resource and award winning website for photographers and videographers of all levels.

A free bi-monthly web based magazine published on or around the 1st of Jan, Mar, May, Jul, Sep and Nov

The HDSUSA prides itself on the accurate investigating and recording of diving history

Dedicated to recognizing and honoring the contributions of women divers

Source for information, parts and service for double hose regulators and a community of divers with interests in vintage diving.

Dedicated to the preservation, restoration, and appreciation of antique and vintage scuba gear for collectors and users alike.

An interactive companion to the print version of DAN's Alert Diver magazine. Accessible to both DAN Members and non-members, there are restricted areas and articles available only to DAN Members.

Online magazine that celebrates the discovery and enjoyment of all things aquatic - from the leading edge of ocean exploration and research to the simple pleasures of immersing oneself weightlessly in the liquid environment .

Online international lifestyle magazine for divers.

ISC is a fan of author Clive Cussler & his Dirk Pitt adventure novels. People familiar with the author maybe surprised to learn that there really is a NUMA organization founded by Clive dedicated to preserving our maritime heritage.