Colorful Christmas tree worms can provide a meal ticket for yellownose gobies in the southern Caribbean.

With hundreds of sites to choose from, the Cayman Islands are a true divers playground. Finding out where the sites are that best suit you can be difficult. iDive gives you the option of exploring each site through their stunning underwater HD videos.

Are you ready to be challenged as a diver? Here are 15 experiences that are guaranteed to take you to the next level. All you have to do is commit.

Looking for your next shark dive to get ready for Shark Week? Diving with great hammerheads in Bimini, Bahamas, is the newest, hottest shark aggregation.

Lad Akins has spearheaded the battle against invasive lionfish in the Caribbean and Atlantic via his leadership at Reef Environmental Education Foundation.

You join the divers perched on the entry deck, a mere six feet from the turbid ocean, frothing in the boat’s wake, and the divemaster counts down from 10.

Are you an underwater photographer trying to get the perfect shot of elusive critters? Here are some super tips for shooting supermacro from Backscatter.

Many of the world's hottest shark scuba diving spots also offer can't-miss topside thrills to keep your heart rate up between dives.

This island nation claimed No. 1 wins in our 2014 Top 100 Readers Choice Awards for Best Overall Diving, Best Big Animals and Best Advanced Diving.