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Florida Keys: the Overseas Highway

113 miles of bridges over turquoise water.

Three days island-hopping down US-1 — snorkeling at Key Largo, the Seven Mile Bridge and sunset celebrations at Key West's Mallory Square.

3 days · 168 miMiami, FLIslamorada, FLMarathon, FLKey West, FL
168 mitotal
3h 48mdriving
$875est. budget
Fuel $20Food & stops $375Stays $480Estimates — fuel from your car, stays & stops from your budget tier.
Miami, FL → Islamorada, FLAlabama Jacks
41 mi·50m·≈ $5 fuel
28 mi·36m·≈ $3 fuel

Alabama Jacks

Classic Keys waterfront dive on Card Sound Road serving conch fritters with a laid-back, old-Florida vibe.

💡 Go around midday — it can get a wait on weekends.

58000 Card Sound Rd, Key Largo

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John Pennekamp Coral Reef State Park

America's first underwater park — glass-bottom boat tours and snorkeling over living coral reef.

💡 Book the glass-bottom boat or snorkel tour online — trips sell out in high season.

Key Largo

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18 mi·27m·≈ $2 fuel

Anne's Beach

A quiet shallow-water beach with a boardwalk through mangroves, perfect for a relaxed afternoon dip.

💡 Best at low tide when sandbars appear.

Florida Keys Outstanding Florida Water

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Robbie's of Islamorada

Hand-feed giant tarpon off the docks — a quirky, only-in-the-Keys experience.

💡 Bring cash for bait buckets.

77522 Overseas Hwy, Islamorada

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Lazy Days Restaurant

Oceanfront seafood spot known for fresh grouper and Keys-style sunset views.

💡 Go around dinner time for the best sunset views over the water.

79867 Overseas Hwy, Islamorada

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Overnight in Islamorada, FL

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    Islamorada, FL · $$

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Good to know
  • Overseas Highway (US-1) is the only route — expect single-lane stretches and slower traffic.
  • Book Pennekamp boat tours ahead in winter/spring high season.
  • Gas is pricier the further into the Keys you go — top off in Key Largo.
More around Islamorada, FL
  • Indian Key Historic State Park+3 mi

    Small boat-accessible island with ruins of an 1830s settlement, quiet and little-visited.

  • Long Key State Park+6 mi

    Nature trails and a lagoon good for kayaking, right off US-1.

Islamorada, FL → Marathon, FLTurtle Hospital
33 mi·44m·≈ $4 fuel

Turtle Hospital

Working rescue hospital for injured sea turtles with informative guided tours.

💡 Tours run on a schedule and fill up — reserve a spot in advance.

2396 Overseas Hwy, Marathon

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Sombrero Beach

Wide, palm-lined public beach with calm turquoise water, one of the nicest swimming spots in the Keys.

💡 Free parking but fills up by midday on weekends.

Sombrero Beach Rd, Marathon

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Keys Fisheries

Working fish house/market turned restaurant famous for lobster reuben sandwiches on the water.

3502 Gulfview Ave, Marathon

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0 mi·0m

Bahia Honda State Park

Often ranked among America's best beaches, with an old railroad bridge and clear water on both sides.

💡 Park entry can hit capacity — arrive early or reserve online.

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0 mi·0m

Overnight in Marathon, FL

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    Marathon, FL · $$

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Booking happens on the partner's site.

Good to know
  • Bahia Honda can reach vehicle capacity on busy days — check the park's reservation system.
  • Marathon has more affordable lodging than Islamorada or Key West — good comfort-tier base.
  • Fuel up in Marathon before continuing south; stations thin out toward Key West.
More around Marathon, FL
  • Curry Hammock State Park+9 mi

    Quiet mangrove-lined park good for kayaking and kiteboarding, less crowded than Bahia Honda.

  • Pigeon Key Historic District+2 mi

    Old railroad workers' village accessible via a walking trail on the historic Seven Mile Bridge.

Marathon, FL → Key West, FLSeven Mile Bridge
48 mi·1h 11m·≈ $6 fuel

Seven Mile Bridge

Iconic bridge over open ocean, one of the most photographed drives in Florida.

Florida Keys Outstanding Florida Water, Seven Mile Bridge

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Southernmost Point of the Continental U.S.A.

The famous marker for the southernmost point of the continental US, a must-see photo stop.

💡 Go early morning to avoid crowds and harsh midday sun for photos.

1400 Whitehead St, Key West

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Duval Street

Key West's lively main strip with historic architecture, galleries, and bars.

Key West

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Half Shell Raw Bar

Historic seafood shack on the harbor known for fresh oysters and conch chowder.

231 Margaret St, Key West

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Fort Zachary Taylor Historic State Park Beach

Best beach in Key West proper, backed by a Civil War-era fort, with calm snorkeling water.

💡 Small entry fee; bring your own snorkel gear.

601 Howard England Way, Key West

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Mallory Square

Legendary nightly sunset celebration with street performers overlooking the harbor.

💡 Arrive an hour before sunset to get a good spot along the seawall.

420 Wall St, Key West

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Overnight in Key West, FL

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    Key West, FL · $$

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Good to know
  • Old Town Key West streets are narrow — many hotels offer parking, check before booking.
  • Duval Street area gets loud at night — consider a quieter side-street hotel if you want rest.
  • Mallory Square sunset gathering is free but gets crowded — go early for a spot.
More around Key West, FL
  • Dry Tortugas National Park+0 mi

    Remote coral-reef park with Fort Jefferson, reachable only by ferry or seaplane from Key West.

  • Key West Cemetery+1 mi

    Quirky historic cemetery with above-ground tombs and witty epitaphs, a short walk from Old Town.

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