San Clemente Island, California
San Clemente Island, Calif., is owned and operated by the U.S. Navy but surrounding waters are open to divers. Learn more about diving San Clemente Island.
Alert Diver Issue: Q4 2009
Closed-Circuit Rebreathers: A Different Way to Dive
Closed-circuit rebreathers provide a different way to dive — where the rebreather’s primary jobs are to remove carbon dioxide and replenish oxygen. Read more about closed-circuit rebreathers.
Emergency Ascents: Managing the Risks
Emergency ascents are used to avoid any adverse events during a dive. Divers are trained in standard emergency ascent procedures, but these skills must be routinely practiced. Read more.
Diving Dry
Drysuits offer a range of thermal protections that go far beyond wetsuits. They are an indispensable tool for divers, but do require additional trainings. Read more about drysuits.
Graduation Day
At a graduation ceremony, a scuba instructor, who is also a DAN member, had to unexpectedly put their skills into action. Quick thinking helped saved a life.
Collapsed Lung and Diving
DAN Medics answer your diving questions.
Quick Comeback
A scheduled dive went horribly awry when the dive lost his weight belt midway through descent. Unable to find his belt, he ascending but had trouble controlling buoyancy. The uncontrolled ascent led to serious symptoms on the boat. Read more about the incident.
Shooter: Paul Nicklen
Photographer Paul Nicklen takes extreme photos in extreme conditions. His love of wildlife started at an early age and he knew he wanted a career as a photojournalist in the Arctic wildlife.
Pro Tips for Shooting in Cold Water
Don’t let colder water temperatures freeze you up — you can take stellar photos regardless of the conditions. Read our best tips on capturing images in cold water.
The Florida Keys Shipwreck Trail
The Florida Keys are known for shallow coral reefs, but they are also home to world-class wreck diving. If you’re passionate about wreck diving, it’s time to visit the Florida Keys.
