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Tranquility Bay: A Luxury Florida Keys Resort

Top-Rated Among Resorts in Marathon, FL

Welcome to Tranquility Bay Beach House Resort in Marathon, FL, the heart of the Florida Keys. Our amenity-rich, luxury Florida Keys resort provides unrivaled peace and seclusion alongside the sparkling waters of the Gulf of Mexico. 

Sink into serenity in one of our unique two- or three-bedroom beach houses, each one offering an idyllic Florida Keys experience nestled in a tropical oasis of calm and ease. Or, escape to our single-level Tropical Garden Guestrooms which offer more intimate accommodations than the resort's larger beach houses. Try award-winning dining at Butterfly Cafe, relax on our white sand beach, or satisfy your sense of adventure with world-class diving, snorkeling, and water sports. Our property also features three sparkling swimming pools and the beachfront TJ's Tiki Bar, all framed by 12 acres of picturesque gardens.

Located just 90 miles south of Miami and 45 miles north of historic Key West, Tranquility Bay Resort is easily reached by car or plane. Define your own paradise at our unique vacation destination in the Florida Keys.

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Choose Your Travel Month

August 2017
From $139 night

Sink into serenity, dive into lobster season, or enjoy a family vacation.

September 2017
From $139 night

Celebrate Labor Day or save more on off-peak romance vacations.

October 2017
From $139 night

Escape Columbus Day weekend or ask about our value dates!

November 2017
From $139 night

Visit this Thanksgiving, Veterans Day, or during off-peak dates.

December 2017
From $139 night

Enjoy Christmas in Florida or visit in early December to save more.

January 2018
From $219 night

Exhale in January during MLK weekend or grab an off-peak deal.

February 2018
From $219 night

Rekindle romance in the Florida Keys with a long winter weekend.

March 2018
From $359 night

Discover paradise on Easter, spring break, or during off-peak dates.

April 2018
From $359 night

Spring into Florida family fun during spring break in the Florida Keys.

May 2018
From TBC night

Pamper mom for Mother's Day or visit us Memorial Day weekend.

June 2018
From TBC night

Celebrate Father's Day or save on early June, summer vacations!

July 2018
From TBC night

Find family fu​n during the 4th of July in Florida or for summer vacation.

Explore Our Atmosphere

Luxury Beach Houses and

Accommodations

Superior Double Queen

More beds, more space. Superior Double Queen Guest Rooms are the most spacious of all our Tropical Garden Guestrooms. They include a private patio or porch.

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Tropical Garden Double Queen

Tropical Garden Double Queen Guest Rooms feature two queen beds and an en suite bathroom, along with easy access to onsite dining, our private beach, and the tropical sun.

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Tropical Garden King

Rest in a king-sized bed, with the pool nearby. Tropical Garden King Guests Rooms give you maximum comfort and serenity.

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Beachfront 3-Bedroom Beach House

Make the beach your front yard. The Beachfront 3-Bedroom Beach House sits directly on the beach, granting you shoreline views from your porch and balcony.

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Waterfront 3-Bedroom Beach House

Closer to the water, this beach house resides in a more quiet, secluded area. Stay a short distance from the pool and the beach and enjoy your tropical retreat.

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Waterview 3-Bedroom Beach House

Located near our swimming pools and a short walk to the sandy beaches, this roomy three-bedroom beach house has a lush green pathway leading up to its doorstep.

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Beachfront 2-Bedroom Beach House

The Beachfront 2-Bedroom Beach House puts palm trees in your front yard. Watch the sea from your porch or from the balcony.

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Waterview 2-Bedroom Beach House

This seaside cottage is accessed via a lushly landscaped lane. Waterview 2-Bedroom Beach Houses give you access to swimming pools and the beach.

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Points Of Interests

Our Location

Place Name Address Phone Distance Show on map
Florida Keys Wildlife and Environmental Area 174-198 Mango Ln, Marathon, FL 33050, USA 3.55
Sombrero Beach 2301 Sombrero Beach Rd, Marathon, FL 33050, USA +1 305-743-0033 3.6
Bahia Honda State Park 36850 Overseas Hwy, Big Pine Key, FL 33043, United States +1 305-872-2353 11.39
Coco Plum Beach 109 Coco Plum Dr, Marathon, FL 33050 6.58
Place Name Address Phone Distance Show on map
The Turtle Hospital 2396 Overseas Hwy, Marathon, FL 33050 1 305-743-2552 0.2
Florida Keys Aquarium Encounters 11710 Overseas Hwy, Marathon, FL 33050, United States +1 305-407-3262 4.56
Dolphin Research Center 58901 Overseas Hwy, Marathon, FL 33050, USA +1 305-289-1121 10.55
Crane Point Museums & Nature Center 5550 Overseas Hwy, Marathon, FL 33050, United States +1 305-743-3900 1.7
Pigeon Key 1 Knights Key Blvd, Marathon, FL 33050, USA 305-743-5999 1.5
Seven Mile Bridge Seven Mile Bridge, Florida, USA 3.55
Place Name Address Phone Distance Show on map
The Stuffed Pig 3520 Overseas Hwy, Marathon, FL 33050, United States +1 305-743-4059 0.46
Porky's Bayside 1410 Overseas Hwy, Marathon, FL 33050, USA +1 305-289-2065 2.21
Castaway Waterfront Restaurant & Sushi Bar 1406 Oceanview Ave, Marathon, FL 33050, USA +1 305-743-6247 0.9
Sunset Grille & Raw Bar 7 Knights Key Blvd, Marathon, FL 33050, United States +1 305-396-7235 3.06
Place Name Address Phone Distance Show on map
Walgreens 5271 Overseas Hwy, Marathon, FL 33050, United States +1 305-359-3634 1.48
Publix Super Market at Marathon 5407 Overseas Hwy, Marathon, FL 33050, USA +1 305-289-2920 1.62
Place Name Address Phone Distance Show on map
Florida Keys Wildlife and Environmental Area 174-198 Mango Ln, Marathon, FL 33050, USA 3.55
Sombrero Beach 2301 Sombrero Beach Rd, Marathon, FL 33050, USA +1 305-743-0033 3.6
Bahia Honda State Park 36850 Overseas Hwy, Big Pine Key, FL 33043, United States +1 305-872-2353 11.39
Coco Plum Beach 109 Coco Plum Dr, Marathon, FL 33050 6.58
The Turtle Hospital 2396 Overseas Hwy, Marathon, FL 33050 1 305-743-2552 0.2
Florida Keys Aquarium Encounters 11710 Overseas Hwy, Marathon, FL 33050, United States +1 305-407-3262 4.56
Dolphin Research Center 58901 Overseas Hwy, Marathon, FL 33050, USA +1 305-289-1121 10.55
Crane Point Museums & Nature Center 5550 Overseas Hwy, Marathon, FL 33050, United States +1 305-743-3900 1.7
Pigeon Key 1 Knights Key Blvd, Marathon, FL 33050, USA 305-743-5999 1.5
Seven Mile Bridge Seven Mile Bridge, Florida, USA 3.55
The Stuffed Pig 3520 Overseas Hwy, Marathon, FL 33050, United States +1 305-743-4059 0.46
Porky's Bayside 1410 Overseas Hwy, Marathon, FL 33050, USA +1 305-289-2065 2.21
Castaway Waterfront Restaurant & Sushi Bar 1406 Oceanview Ave, Marathon, FL 33050, USA +1 305-743-6247 0.9
Sunset Grille & Raw Bar 7 Knights Key Blvd, Marathon, FL 33050, United States +1 305-396-7235 3.06
Walgreens 5271 Overseas Hwy, Marathon, FL 33050, United States +1 305-359-3634 1.48
Publix Super Market at Marathon 5407 Overseas Hwy, Marathon, FL 33050, USA +1 305-289-2920 1.62
Tranquility Bay
2600 Overseas Highway, FL, 33050, USA
Phone: 305.289.0888