Dominica's gorgeous underwater reefs rival this Eastern Caribbean island's topside beauty. One thing's certain: Divers will not be disappointed.

Dive Log: Secret spots & must-see dive classics.

The Florida Keys are one of America's underwater treasures for divers.

World's first manta ray protected area.

Mile-high tropical diving in the Rocky Mountains?

Dive Log: Secret spots & must-see dive classics.

Underwater mazes, clear, rushing fresh water and natural light shows feed the urge to submerge.

These islands offer Pacific diving at its best, including World War II wrecks, lush coral gardens and the famed Rock Islands. For more on fabulous scuba diving in Micronesia — Palau, Chuuk Lagoon, Guam, Yap, Kosrae, Pohnpei — visit scubadiving.com

A first look at Michigan's Grand Traverse Bay Underwater Preserve.