11 of the world's best snorkeling destinations

It's a common holiday letdown. You slap on your snorkeling gear, eagerly anticipating the tropical fish and colorful reefs that await as you enter the crystal-clear shallow waters. Instead, you find yourself face to face with a sea of flippers, bleached coral and bright orange life jackets. It can be frustrating to try to find a spectacular snorkeling destination that hasn't been taken over by crowds. But not impossible. We asked a few marine experts to share some of their favorite places to snorkel. In these top snorkel spots you'll be bumping fins with reef fish, humpback whales and non-stinging jellyfish -- to name just a few.