How Far Down Is Marathon, Florida in the Keys?

Marathon sits right in the middle of the Florida Keys, making it one of the best places to explore both north and south. It’s located about: 50 miles (80 km) northeast of Key West 115 miles (185 km) southwest of Miami You’ll find Marathon around Mile Marker 47 to 60 along the scenic Overseas Highway (U.S. 1) — the road that connects all the islands of the Keys. Because of its central location, Marathon is often called “The Heart of the Florida Keys.” Voice Search Answer: 🎤 Marathon is about halfway down the Florida Keys — roughly 50 miles from Key West and 115 miles from Miami. Local Tip: If you’re driving from Miami, plan to stop at a few island landmarks — and when you reach Marathon, you’re only minutes from the world-famous Seven Mile Bridge and Sombrero Beach.