Mile Marker 0

Start (or Finish) Your Key West Adventure at Mile Marker 0

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By Gus Moore

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If you’ve ever driven the Overseas Highway or dreamed of an epic Key West road trip, you’ve probably heard of Mile Marker 0. This tiny metal sign at the end of U.S. Route 1 might be small, but it packs a big punch for photo ops, bragging rights, and that quintessential “I’m in Key West” moment.

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Located right in Old Town, Mile Marker 0 is easy to find and even easier to love. Whether you’re walking by, riding a bike, or just hopping off your tour bus, it’s the perfect quick stop. Sure, it’s just a marker, but it’s the marker — the official start (or finish) of the iconic highway that stretches all the way to Maine. Snap a selfie, stretch your legs, and enjoy a little taste of the journey that brought you to the southernmost point of the continental U.S.

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Why it’s worth going

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• Iconic photo op – Show off your Key West adventure with the classic marker selfie.
• Central location – Right in Old Town, easy to reach from shops, bars, and other attractions.
• Quick stop – Perfect for a short break without interrupting your tour schedule.
• Bragging rights – Tell friends you’ve officially touched the end of U.S. Route 1.
• Tour-friendly – Easy to include on walking, biking, or bus tours of Key West.

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Gus’s take

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Mile Marker 0 may be small, but it’s a must-stop in Key West. Quick and easy, it delivers that satisfying “I made it” feeling at the southern tip of the Keys. I always suggest swinging by — even a 30-second selfie creates a memory that lasts a lifetime.

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Contact information

Name: Mile Marker 0
Hours: Open 24 hours
Directions: Located at the corner of Whitehead Street and Fleming Street in Old Town Key West, a short walk from Mallory Square and nearby Tour Bus Stops.

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