Tranquility Bay Beachfront Hotel and Resort is one of Marathon's most popular lodging choices, a complex of pastel beach houses and suites on the Atlantic shore. The design leans into a laid-back island feel, with porches, shutters and garden paths, and the resort's appeal is the combination of a sandy beachfront, pools and a quieter pace than the busy Upper Keys. Marathon sits roughly in the middle of the island chain, so it is a convenient base for exploring both north and south, and Tranquility Bay gives you a home-like setting from which to do it.
Accommodations range from hotel-style rooms to multi-bedroom beach houses with kitchens, which are popular with families and groups. The houses offer privacy and space, and the beachfront units give direct access to the sand. Check the layout and view of your unit when booking, as the property is spread out, and ask about resort fees and cleaning policies. Rates vary by season and unit type, with winter the most expensive.The resort's amenities include pools, a beach with loungers, water sports rentals such as kayaks and paddleboards, and on-site or nearby dining.
The shoreline is shallow and calm in places, with some rocky patches, so water shoes are helpful. Marathon's attractions, including the Turtle Hospital, Crane Point and the Dolphin Research Center, are a short drive away, and the Sombrero Reef snorkel trip departs nearby. Evenings are quiet, with sunrise over the ocean and starry skies.Who it suits: families, groups of friends, couples seeking a relaxed beach stay and travelers who value space and kitchens. It is less suited to those who want a lively nightlife scene or a luxury-spa resort.
Self-catering saves money, so plan a grocery run on the way in. The resort is a good base for anyone wanting to explore Marathon without staying in a large resort complex.Planning tips: book early for winter, confirm your unit type and check the latest policies on amenities and fees. Hurricane season runs from June to November, so flexible rates are wise. Always check current details with the property before you travel.Stock up on groceries and drinks in Marathon on your way in, and consider bringing beach chairs or toys for children.
Morning is the best time for a beach walk, with soft light and cool air, and evenings are a good time for a barbecue if your unit has one. Sunrise over the Atlantic is a highlight for early risers, and the property is quiet enough that you can enjoy it without noise. Pack a beach bag, a reusable water bottle and a small cooler, and ask the front desk about the best times for quiet pool use.
Why stay here
- ✓Beachfront setting
- ✓Resort pools
- ✓Beach houses with kitchens
- ✓Kayak and paddleboard rentals
- ✓Garden paths and porches
- ✓Near the Turtle Hospital
- ✓On-site parking
- ✓Quiet oceanfront location
Good questions
Are there units with kitchens?+
Many beach houses and suites have kitchens; confirm for your unit type.
Is the beach good for swimming?+
The shoreline is shallow and calm in places with some rocky areas; water shoes help.
Is it close to attractions?+
Yes. The Turtle Hospital, Crane Point and Seven Mile Bridge are a short drive away.