2 Best Sights in Islamorada, The Florida Keys

Amenities at this gem of a public park include a palm-shaded beach, pool, marina, skate park, tennis, and places to rent a boat or learn to sail. If you're staying in Islamorada, admission is free; otherwise, it costs $8 (cash only) to enter.

This museum plunges into the history of man's thirst for undersea exploration. Amid its 13 galleries of interactive and other interesting displays are a submarine and helmet re-created from the film 20,000 Leagues Under the Sea. Vintage U.S. Navy equipment, diving helmets from around the world, and early scuba gear explore 4,000 years of diving history. Nifty scavenger hunt printouts make this fun for little ones.