Florida Keys Overseas Highway aerial
  • The Florida Keys Overseas Highway connects the entire island chain. While experiencing the "bucket list" drive, motorists can enjoy the ever-changing land- and seascapes to be viewed from the road called the Highway That Goes to Sea. (Photo by Andy Newman, Florida Keys News Bureau)

     

  • By: Carol Shaughnessy
  • July 22, 2020

The road unrolls like a long gray ribbon in front of the car, with vast vistas of turquoise water and paler blue sky stretching endlessly on either side. Driving down the Florida Keys Overseas Highway, the southernmost leg of U.S. Highway 1, it’s easy to understand why this roadway is sometimes called the Highway That Goes to Sea — and a “bucket list” drive that everyone should experience at least once.

Lower Keys beach

Driving along the Overseas Highway, travelers can discover and connect with the Keys’ lush and remarkable environment.

When you leave mainland Florida, the highway stretches for more than 100 miles through the entire Florida Keys island chain. On your left side, the Atlantic Ocean unrolls to a far horizon; on your right lies Florida Bay and, farther south, the Gulf of Mexico.

Traveling the highway from the mainland to Key West, you’ll cross an astonishing 42 bridges that leapfrog across the water from key to key in a series of giant arches of concrete and steel.

From the top of some of the larger spans, particularly in the Upper Keys, the individual islands look tiny and fragile against the sea and sky.

Yet despite that, these islands support lively, picturesque communities. The highway winds past Upper Keys marinas housing sportfishing fleets and sailing yachts, oceanfront villas surrounded by palms and flowering plants, enticing seafood restaurants and resorts ranging from upscale to funky.

As you cruise farther down the highway, with passing miles marked by small green “mile marker” signs on the road’s shoulder or median, the tang of salt air wafts in through the open car windows.

Just southwest of Marathon, a family-friendly community known for its environmental attractions, lies the undisputed jewel of the Overseas Highway: the Seven Mile Bridge, which stretches a stunning 6.79 miles across open water.

This 60-foot-wide outdoor mural in Key Largo, painted by Upper Keys artists and students, commemorates Henry Flagler’s Florida Keys Over-Sea Railroad. (Photo by Andy Newman, Florida Keys News Bureau)

Contemporary though the highway seems, it actually follows a trail blazed in 1912 when Standard Oil millionaire Henry Flagler completed the Florida Keys Over-Sea Railroad from mainland Florida to Key West.

But after 23 years of carrying freight and eager vacationers, much of the railroad was badly damaged in a 1935 hurricane. Three years later the Overseas Highway debuted, built on a foundation that incorporated some of the railway spans, marking the start of an incredible adventure for motorists.

In 1982, 37 original bridges including the Seven Mile Bridge were replaced with wider ones. Approximately a third of the old bridges were removed during the replacement project, while three of those remaining — the Long Key, Bahia Honda and Seven Mile bridges — are on the National Register of Historic Places.

Driving down the Overseas Highway, you’ll see many of the old bridges alongside the newer ones. Some have become popular fishing piers, inhabited by patient anglers awaiting action at the end of their lines.

Part of the Old Seven Mile Bridge, an iconic landmark that runs parallel to the new bridge, is being carefully restored. Nestled beneath the old bridge, whose center span was removed to allow boat traffic, lies the tiny island of Pigeon Key — once a base camp for workers constructing the original bridge, and now a historic site with a beautifully curated railroad museum.

Pigeon Key Marathon Florida Keys

Pigeon Key, the one-time base camp for the workers that constructed the Florida Keys Over-Sea Railroad, lies beneath the original Seven Mile Bridge. (Photo by Andy Newman, Florida Keys News Bureau)

Past the bridge, the scenery becomes wilder and more deserted. This is Big Pine Key and the Lower Keys, a realm of small communities, ecotourism and wildlife refuges created to protect species including the miniature Key deer. Beautiful Bahia Honda State Park and the Old Bahia Honda Bridge beckon to the left of the road, inviting exploration.

Eventually the Lower Keys segue into Key West, where the highway ends amid 19th-century charm and modern-day attractions.

The ambiance of continental America’s southernmost city — located closer to Cuba than Miami — is embedded in its narrow palm-shaded streets and century-old mansions decorated with the wooden scrollwork called gingerbread.

Today, you can leave the Florida mainland and travel the entire length of the Overseas Highway, through all the Keys to Key West, in less than four hours.

But instead, try driving at a more leisurely pace — stopping at tempting seafood restaurants and roadside galleries, following inviting side roads, and taking pleasure in the ever-changing land- and seascapes to be viewed from the Highway That Goes to Sea.

 

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