Tranquility Bay Resort offers beachfront accommodations in Marathon, FL. Three pools are located on site, including an adult-only pool and a heated pool for children. Every charming guestroom includes a flat-screen TV, small refrigerator, and coffee-making facilities. Beach homes feature an en suite kitchen, 42-inch flat-screen TV, and private laundry facilities. Relax with in-room spa services or workout in the on-site fitness room. Water sports, such as kayaking and paddle boarding, are available. Open for dinner, Butterfly Café serves fresh seafood and offers indoor and outdoor dining. T.J.’s Tiki Bar features salads, paninis, and a selection of appetizers and cocktails. Crane Point Museums & Nature Center is 3 minutes’ drive. Explore the swamps, beaches, and hiking trails of Curry Hammock State Park, 13 minutes’ drive away. The quadruple room features air conditioning and a balcony. The unit has 2 beds.