Grassy Flats Resort & Beach Club

Eco-friendly and family-oriented, Grassy Flats Resort & Beach Club occupies a beachfront location on Grassy Key in Marathon, offering a 3-star stay with two outdoor pools, a hot tub, and complimentary kayaks and paddleboards. Accommodations range from adults-only studios and king suites in the Humidor House to three-bedroom Conch House units, all with sea-view balconies, air conditioning, and private bathrooms. Three on-site dining options include the Rhum House restaurant serving American, Mediterranean, and local cuisines, a rooftop bar with tapas and live music, and the Land and Sea Market for lighter fare and groceries. Recreational facilities feature an adults-only pool, a family pool, a hot tub, a sauna, bicycle rentals, and windsurfing. A tiki bar serves cocktails by the pool. Grassy Flats Resort is 9 km from Florida Keys Aquarium Encounters and near attractions like the Dolphin Research Center and Seven Mile Bridge; Key West International Airport is 89 km away. Free WiFi is available throughout the property. Each morning, the Land and Sea Market at Grassy Flats Resort & Beach Club provides complimentary coffee and pastries. The property is pet-friendly and includes an outdoor fireplace and landscaped grounds.

Adults-only pool area offers a quiet retreat.

Complimentary kayaks, paddleboards, and bikes provide free water sports.

Friendly and attentive staff receive consistent praise.

Pet-friendly policy allows dogs.

The on-site Rhum House and rooftop bar are closed on Tuesdays and Wednesdays.

Some rooms have thin walls and no microwave, which may inconvenience light sleepers and those needing to reheat meals.