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Tranquility Bay

A million miles away has never been this close. Just 90 miles south of Miami and 45 miles north of Key West, in the heart of magical Marathon, serenity awaits.

Hidden in plain view in the palm-lined paradise of the Florida Keys, Tranquility Bay is a place for families and couples to disconnect and reconnect. Away from the noise pollution of tourist traps, yet within reach of the area’s best distractions; it’s a refuge from the hustle and bustle, a place for interaction without distraction.

Here you’ll make memories that last a lifetime. The tropical island paradise offers a relaxed vibe and a charmingly personal feel. So, while you will arrive as guests, you’ll leave as family.

Do everything or nothing at all - it’s your vacation. Dive into adrenaline-fueled adventure with world-class water sports, including jet skis, kayaking, sailing… all direct from the resort. Beneath the Keys’ pristine waters lies a colorful underwater oasis, with tropical fish, moray eels, and more. In fact, the neighborhood boasts the only living coral reef in the continental US. Plunge in and see for yourself, with diving and snorkeling also available with Turtle Island Watersports.

In the Marathon resort, you’ll find a treasure trove of tranquility. Enjoy the luxury of quiet time as you feel the sand sift through your sun-kissed toes, lie back and relax on the private 2.5-acre beach, or cool off in one of the three sparkling pools - including an adult relaxation pool and a lagoon-style pool.

Switch off and turn on your senses. See the vibrant colors of the Florida Keys unfold before you: tropical palms, gorgeous Caribbean waters, and an unforgettable golden sunset. Hear the faint sounds of the Gulf waters and feel the gentle breeze. Smell freedom and the salty sea air.

Take a stroll through swaying palms and meet the friendly resident cats, who you’ll find daydreaming lazily on a porch. Sip a Key Lime Colada at the beachfront TJ’s Tiki Bar and enjoy the freshest Florida grouper at Butterfly Café – the resort’s award-winning restaurant. Oh, and don’t forget the famous Key Lime Pie for dessert!

There’s even a putting green, helping make family time fun time, plus a fitness room for those whose idea of relaxation is a treadmill.

Tranquility Bay has its own definition of luxury. While some resorts market fancy robes, breakfast, poolside entertainment, or room service, here you will find the real meaning of luxury; an authentic experience that takes in the freedom of fresh air and time together.

Here it’s all in the little things. Stay in a waterfront or water view beach house with the whole family, making it a real home away from home, or enjoy the intimacy of the guest rooms nestled within the tropical gardens.

This is so much more than a vacation; this is the story they’ll tell their kids about someday. This is Tranquility Bay. All that’s missing is you.


Accessible Traveler Information

ADA Compliant, ADA Rooms, Disability Accessible, Ground-floor Rooms, Handicapped Parking, Pool with Lifts, Raised Toilets, Ramps, Roll-in Showers, Roll-under Sinks, Shower Grab Bar, Showers with Seats, TDD Phone System, Wheelchair-friendly, Zero-entry Pool


Birding, Scuba/Diving, Snorkeling, Water Recreation


Business Center, Children's Programs, Exercise/Fitness Facilities, Multilingual Staff, Pool, Self Parking, Volleyball Court


Daily, Weekly

Average Visit Time



American, Floribbean, Seafood


AAA Discount, AARP Discount, Florida Resident Discount, Group Discount, Military Discount, Senior Citizen Discount