Certified by Tranquility Bay Beachfront Resort • Jul 05, 2026
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A beachfront haven where you can do it all — or nothing at all. Grab a kayak or a nap, read a book or a menu, work on your tan or your second piña colada.
Location
Certified by Tranquility Bay Beachfront Resort • Jul 05, 2026
Certified by Tranquility Bay Beachfront Resort • Jul 05, 2026
MondayOpen 24 Hours
TuesdayOpen 24 Hours
WednesdayOpen 24 Hours
ThursdayOpen 24 Hours
FridayOpen 24 Hours
SaturdayOpen 24 Hours
SundayOpen 24 Hours
Reviews
4.6
3,638 reviews
5 stars
2,878
4 stars
374
3 stars
164
2 stars
86
1 star
136
JJ
Jon
1 day ago
5.0
We love this resort and have become a returning guest, making years of memories - so much to offer for families right on site and it’s in a prime location in Marathon. You won’t be disappointed!
LC
LaurenI Contreras
2 days ago
5.0
It’s my family’s favorite spot in the Keys—you truly go there to relax. I give a 10/10 to absolutely everything, from the cleanliness throughout the property to the pool, which has spectacular water. The only thing I’d improve is the music; there wasn't any by the pool during this visit, and the tiki bar was dimly lit compared to other times when it’s livelier. Even so, we’ll definitely be back—we love this place.
YM
Yayme Martinez
Jun 26, 2026
1.0
Terrible servicio al cliente ,
Soy un customer frequente , voy todos los años con mi familia siempre reservo las habitaciones frente à la playa y siempre hago el request de la misma habitacion que es la que nos gusta y pago para ir a donde me gusta no donde me quieren ellos poner . La ultima vez reserve con 1 mes de antelacion y llame para confirmar la habitacion cuando reserve y el dia antes y pero el dia del viaje me dicen que no la tienen disponible . Me parece una falta de respeto que para vender prometan algo y después à la hora de llegar te Dan otra habitacion .
Es mi ultimo viaje !!! Terrible servicio al cliente y mala attitude del front desk .
LC
Louis Castex
Jun 21, 2026
3.0
We have been coming to Tranquility Bay Resort for years and it has always been our favorite place, but unfortunately, this is the first time we did not feel comfortable. The standard of quality has noticeably dropped.To begin with, the mattress on the queen bed is extremely uncomfortable and needs to be replaced urgently; it has a huge dip in the center and sinks completely in the middle, which prevented us from getting any proper rest.To make matters worse, guest service failed us unacceptably. We reported issues with the room phone not working, and despite our notification, nobody ever came to fix it or replace it during our entire stay. It is a shame that a resort of this caliber ignores reports from returning guests and neglects basic elements like room maintenance and bed comfort.
LG
Leyani Garabito
Jun 2, 2026
2.0
We recently stayed at Tranquility Bay Resort and had mixed feelings about our experience. The resort grounds are beautiful, well-maintained, and exactly what you would expect from a Florida Keys getaway. The pool area and small beach were very nice, and our family enjoyed spending time outdoors. Unfortunately, the interior of the villa was extremely disappointing, especially considering the nightly rate. The accommodations are in desperate need of updating. The bathrooms are very outdated and appeared dirty simply because of their age and condition. I honestly dreaded using them. The ceiling fans were old and noisy, the walls and doors showed significant wear and tear, and the carpet on the stairs looked worn and unclean to the point that I didn't want my children walking on it barefoot. Another disappointment was the living room TV. It was not a smart TV (come on guys it’s 2026), so we couldn't access Netflix, Disney+, or other streaming services. The channel selection was also very limited, which was frustrating when traveling with kids. What was most disappointing, however, was the customer service. Around 11:00 PM, we realized we needed an extra blanket for the children and walked to the front desk to request one. Although a staff member was present, I was told that they were "closed" and that she could not help me. I understand that certain services may have operating hours, but this was a simple request for a blanket, not a special accommodation or meal service. The employee was already there, and it would have taken very little effort to retrieve one. I've stayed at many hotels and resorts over the years, and most would find a way to assist a guest in that situation. The lack of willingness to help left a very poor impression and felt inconsistent with the level of service expected at a resort charging these rates. Before our stay, I read several reviews expressing similar concerns and admittedly assumed some may have been overly critical. After experiencing the resort for myself, I now understand where those reviews were coming from. The concerns regarding the condition of the villas and aspects of the guest experience are valid and appear to be recurring themes. The contrast between the beautiful exterior and the condition of the villa interior was surprising. The resort has so much potential, but the rooms urgently need renovations and modernization. Had the interior matched the quality of the grounds and the customer service been more accommodating, this would have been a completely different experience.
Overall, we enjoyed the outdoor amenities, but for the price charged, the condition of the villas and the level of service fell far below our expectations. Unless significant updates are made to the accommodations and guest experience, I would not choose to stay here again.
Frequently Asked Questions About Tranquility Bay Beachfront Resort
How can I contact the resort via email?
For general resort inquiries, please email frontdesk@tranquilitybay.com. For reservation questions, please email stay@tranquilitybay.com. For group sales and weddings, please email sales@tranquilitybay.com.
When are your check-in/check-out times?
Check-in time begins at 4pm; guests will be checked in as rooms become available. Guests who anticipate a late arrival (after 11pm) should contact the Resort in advance to advise of their estimated arrival time. Check out time is before 11am. Early departures will incur an additional fee of one night’s room and tax charged to the card on file.
What is the minimum age to reserve a room?
Guests must be at least 21 years of age to reserve a room, confirmed by photo ID at check-in. Guests under the age of 21 must be accompanied by a guest aged 21 years or older during the full course of their stay. Parties unaccompanied by an adult over 21 years may be asked to leave the resort at any time.
Do you allow pets?
Pets are not permitted at Tranquility Bay Resort, with the exception of service animals.
What is your cancellation policy?
We understand that plans can change, and we aim to make our policies as clear and straightforward as possible. All cancellation timeframes are based on arrival date and 4:00 p.m. EST.
Do you charge a resort fee?
Yes, our Resort Fee is $55 per night (excluding 12.5% applicable taxes). The resort fee includes complimentary use of bikes outside the resort, access to our fitness center, various weekly activities, and environmental interests around the resort. Be sure to check out our Experiences page for our list of monthly activities.
Do you charge a destination fee?
Our Destination Fee (1.0%) is collected to help support Tranquility Bay’s programming, activities, events and sustainability efforts.
Is there a charge for additional guest room occupants?
Yes. Rooms are confirmed for the number of adults and children selected at the time of booking. If you are traveling with more than two adults, an extra adult fee of $20 per night plus tax will be applied.
What is the resort's smoking policy?
All guest rooms and beach houses are 100% non-smoking. There are no smoking rooms available. There is no smoking on property.
Do you have a fitness center on property?
Our fitness center is open 24 hours for resort guests with an array of equipment to choose from, including a brand new Peloton Bike! Experience on demand and immersive live Peloton workouts that will keep your blood pumping and energy up while on your beach getaway.
And don’t forget about our new Sunday yoga by the beach! Set against the backdrop of swaying palms and the sparkling waters of the Keys, this invigorating session offers a serene escape. Engage in revitalizing yoga practices led by skilled instructors, harmonizing gentle movements, deep breathing, and mindful meditation.
Do you offer breakfast on property?
While our dining outlets are only open for lunch and dinner, we do offer guests pastries, seasonal tropical fruit, and coffee in the morning for purchase inside the lobby. We also have breakfast boxes available for purchase. Scan the dining QR code found inside your accommodations for more information, or stop by the front desk for an order form.
Where can I park on property?
Guests of the resort can park up to one vehicle per villa or guest room on property for no additional charge.
What is your policy regarding weapons and firearms on property?
For the safety and security of all guests and staff, firearms and weapons of any kind are not permitted anywhere on our property, including guest rooms, common areas, parking facilities, and all outdoor spaces. This policy applies to all guests, visitors, and third parties, regardless of permit status.
Will I be reimbursed if it rains during my stay?
If you add the Weather Guarantee at booking, you’ll receive a daily reimbursement when 1+ hours of qualifying rain (1.5 mm/hour or more) occur between 8 AM and 8 PM during your stay. Sensible Weather monitors the forecast, alerts you if weather triggers coverage, and sends your reimbursement automatically.
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