Located in Marathon, 5.3 miles from Florida Keys Aquarium Encounters, Grassy Flats Resort & Beach Club provides accommodations with an outdoor swimming pool, free private parking, a private beach area and a restaurant. Featuring a bar, the 3-star hotel has air-conditioned rooms with free WiFi, each with a private bathroom. The hotel has a hot tub and an ATM. Guest rooms at the hotel are equipped with a seating area and a flat-screen TV with cable channels. Selected rooms contain a kitchen with a fridge, a dishwasher and an oven. Upper Matecumbe Key is 24 miles from Grassy Flats Resort & Beach Club, while Theater of the Sea on Islamorada is 26 miles away. Key West International Airport is 55 miles from the property.