Grassy Flats Resort & Beach Club
58182 Overseas Highway, Marathon, FL, 33050
3-star hotel
Check availability & book
We may earn a commission on bookings made through this link. This does not affect the price you pay.
Add your dates and the booking site opens with prices ready — no re-searching.
Community reviews (1)
Shared by people in our community — anonymous unless the reviewer chose to share their name. Use 👍/👎 on a review to say whether it matches your own experience. Unverified — community-reported.
Mold-Safe
Chemical-Safe
- Facebook Community MemberpositiveJul 2026
In a thread: Members discussing mold-safe accommodations and experiences staying in the Florida Keys, particularly near Marathon and Key West.
“We stayed at Grassy Flats on Grassy Key (May 2026) without a problem.”