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Review of Grassy Flats Resort Marathon Florida Keys (1)

The Grassy Flats Resort and Beach Club on Marathon is one of the most mellow places we've stayed in the Florida Keys. From room options to on-property activities and watersport gear, we've got the details of staying at the Grassy Flats Resort.

The Grassy Flats Resort and Beach Club on Marathon is one of the most mellow places we’ve stayed in the Florida Keys. From room options to on-property activities and watersport gear, we’ve got the details of staying at the Grassy Flats Resort.