Snorkel Key Largo's three daily trips take snorkelers to several patch reefs in the shallow waters of the Florida Keys National Marine Sanctuary, John Pennekamp Coral Reef State Park and Islamorada.

Why we love it: Vibrant coral gardens, a shallow reef, colorful fish ... State Park offers convenient shore-access snorkeling. Mere steps from Key Largo's Cannon Beach, you'll find seagrass ...

Most of Key Largo's dive sites exist within ... nothing but good things to say. Molasses Reef was deemed a great spot for snorkeling due to its shallow waters, while Grecian Rocks earned praise ...