Tranquility Bay Beach House Resort in Marathon

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Tranquility Bay Beach House Resort in Marathon Tranquility Bay is a place like no other. To make memories that matter. Affordable luxury is what we do.
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Far from the crowds and tourist traps, yet within reach of the area’s best attractions, Tranquility Bay is a tropical escape like no other: a laid-back hideaway where you can make time for downtime—whatever that looks like for you. Hidden in plain view in the heart of the Florida Keys, it’s a place for families and couples to relax together and reconnect. Dive into a world of adventure without leaving the resort and discover unbeatable diving, snorkeling and water sports directly from the beach. Or take things a little slower as you relax on the powder-soft sands of a 2.5-acre private beach. Cool off from the tropical temperatures in one of three sparkling swimming pools, including a relaxation pool just for adults and a family lagoon pool. Or sit back, refreshing cocktail in-hand, as you watch a famous Florida Keys sunset from TJ’s Tiki Bar, right on the Gulf of Mexico. Butterfly Café is not to be missed either (especially the key lime pie!); it’s rated the number one restaurant in Marathon on TripAdvisor. Whether you choose an elegant two- or three-bedroom beach house overlooking the turquoise waters of the Gulf of Mexico, or an intimate single-level guestroom, your search for serenity ends at Tranquility Bay. Just 90 miles south of Miami and 45 miles north of Key West, a million miles away has never been this close.

10/30/2026

A weekend away, just what the doctor ordered.

There’s more to your Tranquility Bay getaway than checking in. Discover exclusive experiences that bring a little someth...
10/28/2026

There’s more to your Tranquility Bay getaway than checking in.

Discover exclusive experiences that bring a little something extra to your time in the Keys, with even more ways to enjoy your stay on island time.

A little time away, just the two of you. Sleep in without setting an alarm, find your favorite spot by the water and see...
10/26/2026

A little time away, just the two of you.

Sleep in without setting an alarm, find your favorite spot by the water and see where the day takes you. The best part? You get to make the rules.

Consider this your starting point for a few days in Marathon. We’re sharing some of our favorite ways to experience the ...
10/23/2026

Consider this your starting point for a few days in Marathon.

We’re sharing some of our favorite ways to experience the island, with Tranquility Bay as your place to unwind in between.

Planning a Florida Keys escape? Keep this guide handy for when you’re ready to make your way to Marathon.

10/21/2026

Pool mode: on. ☀️

Grab the sunscreen, find your favorite chair and keep something refreshing close by. Your poolside plans are officially set.

Some things are better said by the people who’ve stayed awhile. 🤍Our guests have plenty to share about their time at Tra...
10/19/2026

Some things are better said by the people who’ve stayed awhile. 🤍

Our guests have plenty to share about their time at Tranquility Bay. Swipe through to see what made their stays worth remembering.

Then come experience the lighter side of the Keys for yourself.

10/16/2026

Recharge your energy, island-style. 🌴

10/14/2026

National Dessert Day calls for something sweet. 🍰

Save room for dessert at Butterfly Café, where a little indulgence is always worth it. Because vacation is as good a reason as any to order dessert.

A day to celebrate, a place to remember. 🤍Say “I do” surrounded by swaying palms and the beauty of the Florida Keys, the...
10/13/2026

A day to celebrate, a place to remember. 🤍

Say “I do” surrounded by swaying palms and the beauty of the Florida Keys, then stay awhile and celebrate with the people who mean the most.

Your perfect day deserves a little paradise.

10/09/2026

Your calendar called. It could use a little more island time. 🌴

At Tranquility Bay, the only thing on the schedule is whatever you feel like doing next.

Address

2600 Overseas Highway
Marathon, FL
33050

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