Marathon is a city spread over Knight's Key, Boot Key, Key Vaca, Fat Deer Key, Long Point Key, Crawl Key and Grassy Key islands in the middle of the Florida Keys, in Monroe County, Florida, United States. As of the 2010 census, the city had a total population of 8,297. As of 2019, the population estimated by the U.S. Census Bureau was 8,581.
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Accepting Backup Offers|3 beds|3.00 baths|#606677
Accepting Backup Offers|2 beds|3.00 baths|#606413
Accepting Backup Offers|2 beds|2.00 baths|#606050