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Famous route
1

Overseas Highway

US-1 runs down the Florida Keys on a chain of bridges built partly on the bed of Henry Flagler's railroad.

Length
about 113 mi
Bridges
42
Suggested time
1–3 days
Best season
Dec–Apr

Before you go

  • Mile markers count down from 127 near Florida City to 0 in Key West.
  • Book campsites at Bahia Honda many months ahead.
  • Summer is hot and humid, and hurricane season runs June to November.

Island by island

Key Largo is known for reef snorkeling and Islamorada for fishing. Marathon sits at the start of the Seven Mile Bridge. Beyond it, Bahia Honda has the best beach in the Keys. Key West ends the road with sunset at Mallory Square.

FAQs

How long does the drive take?

About three and a half hours without stops, but traffic on the two-lane sections is common. Most visitors take at least two days.