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Grassy Flats Resort & Beach Club
Marathon, Florida, United States · Independent · Accessible Luxury



Grassy Flats is an 18-room family-owned boutique on Grassy Key in Marathon, a 2019 Florida Keys beach club that skips resort fees and splits its oceanfront water between a family pool and an adults-only pool with hot tub. Kiteboarding, eFoiling, paddleboarding, and sailing run from the beach; day passes and annual Beach Club memberships keep the cabanas open to locals.
- 18 rooms
- Opened 2019
- Neighborhood: Grassy Key
About Grassy Flats Resort & Beach Club
- Opened in 2019 on Grassy Key with 18 rooms and no resort fees.
- Two oceanfront pools: one for families, one adults-only with a hot tub.
- On-site watersports include kiteboarding, eFoiling, paddleboarding, and sailing.
Experiences
- Kiteboarding lessons in three steps — Cable wake park, then kite flying, then combined kiteboarding lessons.
- Guided Downwinder to Coco Plum or Curry Hammock — Stress-free downwind run with shuttle back to Grassy Flats, cold drinks at the far end.
- Grassy Flats Big Green EggFest — Inaugural corporate BBQ competition for Florida Keys businesses on Big Green Eggs, raising funds for AHEC; date TBD.
- Cable wake park at the Lagoon — Cable wake park at the Lagoon, which runs regardless of wind conditions.
- Sandbar sail on the Hobie Cat — Sail with one of the resort captains; suits all ages.
- Private fishing charters — Private charters with a captain; catch can be cooked at Rhum House.
Amenities
- Pool
- Hot tub
- Beach
- Pet-friendly
Open Grassy Flats Resort & Beach Club in the atlas for live weekend rates, photos, and the full folio.
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