The Overseas Highway, a modern marvel, travels 113 mi from Key Largo and Key West. It connects the keys via 42 bridges over the Atlantic Ocean or the Gulf of Mexico.
John Pennekamp State Park was the first American underwater park to be created in order to protect coral reefs and the marine life that surrounds them in this area of southern Florida.
The southwest corner of Florida Keys’ reef system is Dry Tortugas National Park, which is the third largest in the country.