Whale sharks, a pod of dolphins, sea lions, a school of hammerheads, a large Galapagos shark, green sea turtles, hundreds of almaco jacks, blue jacks, bacalao, a school of leather bass, Pacific dog snappers, masses of bluestriped chub, yellowfin ...

Brilliant soft corals may be Fiji's signature dive attraction, but there's much more to the underwater story here. With more than 320 islands to choose from, divers never run out of options. The largest island of Viti Levu offers easy ...

Like atolls? The word was invented in the Maldives, a chain of 26 atolls made up of 1,200 islands stretching nearly 500 miles north to south. Out here in the middle of the wild Indian Ocean, currents flow unchecked, so count ...

Often called the Caribbean's "nature island," Dominica fits the bill above water with rain forests and waterfalls and under water with a submerged volcano and migrating whales. Most diving on Dominica takes place off the ...

Diving Papua New Guinea is not for the faint of heart-or wallet. Unless you are coming from Australia, it's a very long journey to get there. But the rewards are great for those who do: electrifying reefs, shark encounters, World War II ...

Tucked beneath the upward curve of Mexico's Yucatan Peninsula, tiny Belize has a wealth of natural resources-rare Caribbean atolls, a barrier reef, faro reefs, rain forests, exotic wildlife like jaguars and tapirs. The Central American ...

What to do when the water turns from gin-clear to Bloody Mary.

How to double your safety and practice important skills. Bonus: you waste no time, no air.