Grassy Flats Resort & Beach Club - Marathon

3-star eco-friendly beachfront resort in Marathon

Eco-Friendly & Sustainability

Grassy Flats Resort operates a zero-waste bar and has eliminated single-use plastics across the property. The hotel's Artists in Residency program promotes creativity and local artistry on-site. Sustainable landscaping avoids herbicides, supporting the natural Florida Keys environment.

Dining & Entertainment

Grassy Flats Resort & Beach Club offers three dining venues: the Rhum House for fine dining, a rooftop bar with nightly live music, and a tiki bar by the pool. The on-site Grassy Key Land and Sea Market supplies craft cocktails, fresh seafood, and takeaway meals. Guests can also enjoy happy hour at the rooftop bar while watching the sunset.

Rooms & Accommodations

The resort provides three types of guest suites, including spacious three-bedroom units with kitchens and private balconies overlooking the ocean or gardens. Select rooms in the adults-only building offer clawfoot tubs and direct views of the adults-only pool. Grassy Flats Marathon is pet-friendly, welcoming dogs with nearby beach access and no size restrictions.

Activities & Water Sports

All guests receive complimentary use of kayaks, paddleboards, and windsurfing equipment. The property is a dedicated kiteboarding destination with on-site compressors, gear storage lockers, and a grassy rigging area. Two outdoor saltwater pools include an adults-only pool with a hot tub, and the resort offers bicycle rentals for exploring the area.

Location & Nearby Attractions

Grassy Flats Resort Florida Keys sits 8.6 km from the Florida Keys Aquarium Encounters and within 10 minutes of the Dolphin Research Center. Curry Hammock State Park Beach is a short drive away, providing additional swimming and hiking options. The hotel's location on Grassy Key places it midway between Miami and Key West, with easy access to U.S. Highway 1.

• Eco-Friendly: Zero-waste bar and elimination of single-use plastics
• Dining: 3 on-site restaurants including Rhum House and rooftop bar
• Water Sports: Complimentary kayaks, paddleboards, and kiteboarding facilities
• Rooms: Spacious suites with private balconies and ocean views
• Pet Policy: Pet-friendly with nearby beach access
• Attractions: Minutes from Dolphin Research Center and Florida Keys Aquarium Encounters