About This Route
The Overseas Highway is unlike any other drive in America. Built on the remnants of Henry Flagler's historic railroad, this engineering marvel connects the Florida mainland to Key West through a chain of coral islands strung like emeralds across the Caribbean-blue waters of the Florida Straits.
The drive features the famous Seven Mile Bridge, one of the longest bridges ever built, offering uninterrupted views of the Gulf of Mexico on one side and the Atlantic Ocean on the other. Along the way, you'll pass through laid-back fishing villages, discover world-class snorkeling at North America's only living coral reef, and experience the quirky, anything-goes spirit of Key West.
Whether you're seeking adventure beneath the waves, relaxation on pristine beaches, or the legendary sunsets of Mallory Square, the Florida Keys deliver a tropical escape without leaving the continental United States.