The Florida Keys run 200 km from Key Largo to Key West. Sheltered by the world's third-largest barrier reef, water sits between 24°C in winter and 30°C in summer — making this the only US coastline that stays comfortable for swimming all 12 months.
Florida Keys
Year-round swimmable water along the US's southernmost reef chain.
Sea
Atlantic Ocean / Gulf
Avg sea temp now
…
Best months
Year-round (calmest April – June)
Beaches in the Florida Keys
Ranked by current live sea temperature.
- 1Bahia HondaBig Pine Key, United States—
- 2Sombrero BeachMarathon, United States—
- 3Smathers BeachKey West, United States—
- 4Higgs BeachKey West, United States—
- 5Fort Zachary TaylorKey West, United States—