DAN Member Profile: Tec Clark

Dive legend Tec Clark has built a memorable career and legacy around training excellent divers. He describes his underwater experiences as “absolutely worshipful” and “otherworldly.” It’s the place where he feels closer to God than anywhere else on Earth. Helping others safely and professionally experience this same life-changing magic is his focus. Clark summed up the philosophy behind all his advice to new dive professionals: “Great training is the key to great diving. Don’t cut corners. Offer excellent training. Go beyond the standard.”

Clark floats down the New River in West Virginia.

Pool Operation: Know Before You Go

WHEN IT COMES TO THE OCEAN, we know when to go and when to stay away. If it is standard practice to check conditions before a dive, shouldn’t we ask […]

When History Seemingly Repeats Itself

IN 1983-84, REEFS THROUGHOUT THE CARIBBEAN, FLORIDA, AND BERMUDA experienced one of the greatest mass mortalities of a marine species ever recorded when an unknown waterborne pathogen killed more than […]

TRAVEL SMARTER : Personal Safety While Traveling

WHETHER TRAVELING DOMESTICALLY OR ABROAD, you can take steps to ensure your personal safety. Enjoy your destination with relative ease by implementing some of the following personal safety practices. 

Una-Una: A Hidden Paradise

Everything changed for Una-Una on July 14, 1983, when a volcanic eruption destroyed the central hub of Indonesia’s Togean Islands in central Sulawesi. Lava covered 90 percent of the island, and thick, black smoke rose into the sky more than 9 miles high. The Indonesian Navy had evacuated all 7,100 inhabitants when the volcano gave signs of its impending eruption, preventing any loss of life. 

Massive Gorgonia soft corals dot the offshore pinnacles

Continuing Education for Dive Professionals

Many professional and occupational fields — such as medicine, engineering, accounting, and insurance — require continuing education to maintain a current certification.

Dive professional speaking about dives around Wolf Island

Boat Diving Safety Course Now Available

To advance DAN’s mission to help divers during emergencies and to make diving safer, DAN launched the Continuing Education for Dive Professionals program in 2024. The program’s second course, which focuses on boat diving safety, is now available.

dive boat

Beauty and Brawn

At 18 feet (5.5 meters) above sea level, Solares Hill is the highest point of land in Key West, Florida.

Jim Hench (right) installs a sensor at Eastern Dry Rocks with Mission: Iconic Reefs specialist James Emm.

The 1733 Shipwrecks of the Florida Keys

Research has proven the importance of shipwrecks in marine environments and two leading researchers are continuing to preach that message in the Florida Keys.

Several submerged cannons in the waters in the Florida Keys

Program Spotlight: Coast Guard Approves DAN Basic Life Support: CPR and First Aid

Every year about 735,000 Americans have a heart attack; more than 2,000 Americans will have one on any given day. Heart attacks and other cardiac emergencies can happen anytime, anywhere and can be deadly without immediate medical intervention. A CPR certification will enable you to save a life no matter where you are. DAN created its Basic Life Support (BLS): CPR and First Aid course to give people the knowledge and skills they need to recognize and respond to some of the most common emergency situations.