https://www.keywestluxuryrealestateinc.com/homes/0-Avenue-M/Marathon/FL/33050/175757535/
0 Avenue M, Marathon, FL 33050 (MLS #619623) :: Key West Luxury Real Estate Inc
VacantLand property for sale in Marathon,FL (MLS #619623). Learn more from Key West Luxury Real Estate Inc. There are also three adjoining privately owned lots.