Moving to Marathon: Pros, Cons & What to Know
Moving to Marathon means moving into the Middle Keys' functional hub -- the Keys' second-largest city, with its own small commercial airport, the region's only hospital outside Key West, and the Seven Mile Bridge as its literal southern gateway -- while accepting the same single-highway hurricane-evacuation reality that applies across the entire Keys chain.
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Learn moreMarathon is the Middle Keys' practical hub, not just another Key
Marathon is the Keys' second-largest city, offering a more conventional neighborhood grid and year-round-residential identity than the resort- or fishing-village-branded communities to its north, along with its own small commercial airport (Florida Keys Marathon International, MTH) and a hospital -- infrastructure that smaller Keys communities like Islamorada and Key Largo don't have locally (see the base place record for Marathon's full identity and pricing detail).
The Seven Mile Bridge is Marathon's literal gateway south
The Seven Mile Bridge, one of the most recognizable bridges in the country, connects Marathon (from Knight's Key) to the Lower Keys toward Bahia Honda, Big Pine Key, and ultimately Key West -- a well-known engineering landmark and the practical southern boundary of the Middle Keys. The parallel Old Seven Mile Bridge, a former Flagler-era railroad span, still connects to Pigeon Key, a historic former railroad work-camp island now run as a museum.
Single-road hurricane evacuation applies here exactly as it does everywhere in the Keys
US-1 is the only road in and out of Marathon, sitting roughly midway along the Keys chain -- farther from Miami than Key Largo's roughly 60-66 miles, though closer than Key West's roughly 160 miles. Monroe County's evacuation model typically calls for tourists and mobile-home residents to leave about 48 hours before a hurricane's projected landfall and permanent residents to begin evacuating roughly 24-24.5 hours before landfall, a window a 2025 state law (SB 180) formally extended from 24 hours. Hurricane Irma (September 2017) struck the Middle Keys, including Marathon, directly and severely -- a well-documented reminder that this isn't a hypothetical risk (see climate).
Key takeaways
- Marathon is the Keys' second-largest city, with its own small commercial airport (MTH) and the region's only hospital outside Key West -- real, practical infrastructure that smaller Keys communities lack.
- The Seven Mile Bridge connects Marathon to the Lower Keys and Key West; the parallel historic Old Seven Mile Bridge connects to Pigeon Key, a former railroad work-camp island now a museum.
- US-1 is the only road in and out; Marathon sits roughly midway along the Keys chain, farther from Miami than Key Largo but closer than Key West.
- Hurricane Irma (September 2017) struck the Middle Keys, including Marathon, directly and severely -- evacuation planning here is a real, non-optional part of living in Marathon.
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