Home to the world's second-largest barrier reef, Roatan is one of the world's top dive spots - known for its rare black corals, low-lying nurse sharks and fearsome-looking barracuda.

Exploring the wild blue caribbean waters of cozumel, from the paso del cedral coral reef to the world's longest subterranean underwater cave system.

Clear waters, deep reefs, and dangerous caves.

Cabo Pulmo is the site of an extraordinary marine recovery.

The island nation of Palau created the first shark sanctuary and the largest marine sanctuary.

Palau is home to large manta rays, WWII wrecks, and a coral reef.