Peeking above aquamarine waves that hide the world's second-largest barrier reef, Belize's Ambergris Caye first emerged as a ...

A beach in San Pedro, Ambergris Caye.

Great Barrier Reef Snorkeling and Diving Cruise from Cairns (3309 reviews) Ocean Freedom Great Barrier Reef Luxury Snorkel and Dive Cruise (1519 reviews) ...

Set against the breathtaking backdrop of two UNESCO World Heritage icons – the Great Barrier Reef and the ancient Daintree ...

Crystal-clear, azure waters and warm year-round temperatures make Key West one of the top destinations for snorkeling in the U.S. Just 5 miles offshore, you'll find a living coral barrier reef ...

Bleaching of the coral in the Great Barrier Reef ... People can still enjoy the wonders of the reef and experience boat trips, snorkelling and generally learn about the biodiversity of the ...

and a snorkel. The sun shimmered on Midway Islands, a remote speck of reef halfway between California and China. A rainbow of colors from shallow mounds of coral rippled in the clear water.