Looe Key

Looe Key is considered a gem within the Florida Keys. The reef boasts corals, sharks, rays, grouper and many other species of wildlife. Learn more about diving Looe Key.

A sad-looking grouper with spotty flesh, floats over a coral reef

Marine Biogeography

Marine biodiversity is vast and each river, lake, ocean and reef has different life. But what underlies regional diversities in marine biodiversity? How can one place support more life compared to others? Learn more about this kind of biodiversity.

An outcrop of colorful coral and a diver swims in the background

Research & Outreach

DAN can help members work through difficult situations and accidents. But DAN’s research efforts can also help divers in lasting ways.

The inside of a hyperbaric chamber is padded and no one is in it.

The Logistics of Exploration

Get a deeper understanding of exploratory diving — a sometimes controversial topic. One team of divers schemed a plan to dive and explore a deep wreck. Read more about the process.

Dive team explores propeller

Researcher Profile: David Doolette

A research physiologist in the biomedical research department at the U.S. Navy Experimental Diving Unit (NEDU) and an assistant professor in the anesthesiology department at Duke University School of Medicine, David J. Doolette, Ph.D., is also an advanced technical and cave diver, an educator and a public speaker.

A generic photo of underwater reeds

Jardines de la Reina

Jardines de la Reina is a popular dive destination with lots of sites. Learn more about Jardines de la Reina, how to dive it and how to get there.

Split shot of crocodile with many teeth

Experience & Risk

Diving experience is incredibly helpful to ward off certain risks. We experience risk in different ways and some ways provide helpful lessons. Read more.

Two divers practice sharing a regulator

The Edge of the Boomerang

Believe it or not: Australia is home to diving other than the Great Barrier Reef. The “Boomerang Coast” boasts great sites and animal life.

Two manta rays float over an Australian reef

Do Something!

Even if your skills aren’t perfect, you can still make a difference. Read a first-person story about how basic first-aid skills came in handy in saving a life.

A male and female diver pose for the camera. Silver fish are in the background.