Tank Safety

Do you fully understand relevant safety standards and maintenance practices of cylinders? Gain an education on how to safely transport cylinders, inspect life support equipment and more.

Line of scuba tanks

The Cayman Islands

With 365 dive sites, world-class walls and a marine park celebrating 25 years of protected status, the Cayman Islands are a diver’s dream. Learn what to expect and how to dive in the Cayman Islands.

Male scuba diver takes a photo of a brown grouper

Dive Decisions

Dive training and skills can prevent emergencies. Read the story of how one diver repeatedly met situations where their dive training was crucial.

Diver cautiously enters a shipwreck while holding a light

The Denizens of South Oz

From camouflaged dragons and the ocean’s most iconic apex predators to whiskered mischief-makers and tentacled giants, South Australia’s underwater inhabitants are unforgettable.

Great white shark swims in front of a school of fish

Skin Bends

Skin bends can prevent unfamiliar symptoms and may go unnoticed or underreported. If you’re experiencing skin bends or unknown symptoms, call a doctor. Read an incident of skin bends.

Hand holds a monitor as someone breathes oxygen

Matters of the Heart

We’re all getting older — aging is inevitable — but our eagerness to dive is undiminished. This report by DAN’s senior director of research provides insights to help us continue diving for years to come.

Old man walks across beach holding a yellow surfboard

Rebreathers: Boon or Bane

Popularity of rebreathers has skyrocketed — but how safe and useful are they for recreational divers? Learn both the benefits and hazards of rebreathers.

Rebreather diver with a yellow tank looks up at a giant sting ray

Medical Emergencies in Remote Environments

How you handle medical emergencies in remote environments is incredibly important. Read our best tips on a variety of plausible scenarios for dealing with these particular emergencies.

Man and woman sit on beach and boop index fingers

Ocean Views 2012

Marine-life and underwater photography is not only an art but it takes deep commitment. Browse the winners of the 2012 Ocean Views Contest and celebrate these frozen moments in time — and the talents of each photographer.

Elephant seal sticks its head out of water. Its tongue is sticking out and it looks happy.