2600 Overseas HwyMarathon, FL 33050 Phone: +1 305-289-0888Fax: +1 305-289-0667Toll Free: +877-209-5774 Hotel E-mailHotel Website Classification 7 Superior First Class Commission Rooms Rates 10% 87 $180-$669 (USD) Hoteliers! Is your information accurate? Update Here Tranquility Bay Beach House Resort Location & Neighborhood Florida Keys, on Gulf of Mexico, Marathon Airfield nearby. 100 MI from MiamiHotel Location: Airport, Beach