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Overseas Highway, Key West, FL

Photo: United States Department of Transportation, Public domain, via Wikimedia Commons. Cropped and resized.

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Overseas Highway

Drive 113 miles of US 1 from Key Largo to Key West, hopping island to island across 42 bridges over open water.

US 1 from Key Largo to Key West · Key West, FL

About Overseas Highway

The Overseas Highway is the southernmost stretch of US 1, running 113 miles from Key Largo to Key West across 42 bridges over the Atlantic Ocean, Florida Bay and the Gulf of Mexico. Much of it follows the route of Henry Flagler's Overseas Railroad, which was heavily damaged by the 1935 Labor Day hurricane, and the road debuted in 1938. Small green mile marker signs track your progress from key to key. In 2009 it became Florida's first All-American Road.

  • #scenic drive
  • #florida keys
  • #road trip
  • #us 1
  • #bridges

Printable maps

What's around here?

The closest stops to Overseas Highway, ordered by straight-line distance. A few more like it, plus some different kinds of fun so you can build a full day.

  • Sports & Outdoors
    Outdoor Adventure

    Long Key State Park

    Under $25

    Paddle a mangrove shoreline, wade the flats and walk nature trails on a quiet Middle Keys island where Henry Flagler once ran a fishing resort.

    6.6 mi awayMore like this

  • Museums

    History of Diving Museum

    Under $25

    A Florida Keys museum devoted to the story of underwater diving, with a focus on South Florida and the Keys.

    8.2 mi awaySwitch it up: Museums

  • Sports & Outdoors
    Outdoor Adventure

    Flamingo Everglades

    $50+

    Lodging, camping, a marina and backcountry boat tours at Everglades National Park's Flamingo visitor area.

    23 mi awayMore like this

  • Sports & Outdoors

    Crane Point Hammock

    Check prices

    A Florida Keys nature center on Marathon with hammock trails, boardwalks, butterfly gardens, and a historic museum.

    24 mi awayMore like this

  • Attractions
    Family Favorite

    Everglades Alligator Farm

    $25–$50

    Airboat tours and alligator wildlife shows at a longtime attraction near Everglades National Park.

    40 mi awaySwitch it up: Attractions

  • Attractions
    Outdoor Adventure

    AMR Homestead-Miami Motorplex

    $25–$50

    An outdoor karting complex at Homestead-Miami Speedway where you race 45 mph rental karts on a timed circuit.

    46 mi awaySwitch it up: Attractions