Up to $250 for Dining
SALE: Up to $250 for Dining

Enjoy a $50/nt dining credit, select dates. Call 877-741-7839. Learn More

AUTUMN SALE: Book by July 29th

Book now to save on stays after August 24th, from $139/Nt. Book Now

Stay 4 Nights for the Price of 3!
Stay 4 Nights for the Price of 3!

Valid on select dates, now through December. Call 877-741-7839. Learn More

Early Bird Savings
Early Bird Savings

Book in advance and save more! Call 877-741-7839 Learn More

View Our Online Planning Guide

See which month is best for your visit! Call 855-417-5782 Browse Now

Stay 5 Nights and Save More
Stay 5 Nights and Save More!

Stay longer and save at Tranquility Bay! Call 877-741-7839. Book Now

Stay in the Most Luxurious Florida Keys Accommodations

Tranquility Bay Beach House Resort, ideally located in the heart of the Florida Keys, offers Marathon, Florida accommodations in 87 thoughtfully and elegantly designed two-bedroom and three-bedroom waterfront Florida Keys vacation rentals overlooking the Gulf of Mexico. Guests can also sink into serenity with our new single level guestrooms for more intimate lodging in the Florida Keys with affordable luxury in mind.

Single-Level Guestrooms

Tranquility Bay Resort now offers single-level guestrooms in a superbly tropical setting. Book now and discover 16 new luxury single-level "Tropical Garden Guestrooms" which offer more intimate accommodations than the resort's current two and three-bedroom beach houses. Enjoy all of the amenities of Tranquility Bay Resort with more affordable luxury in mind, and tropical garden views. View the Tropical Garden Guestrooms

Two and Three-Bedroom Beach Houses

Our unique Florida Keys accommodations feature two-bedroom beach houses or three-bedroom beach houses. Each beach house includes a fully equipped gourmet kitchen, separate dining area, two and one half baths, and living room. Unwind with a 42-inch wall mounted plasma TV, premium cable and wireless internet. Whimsical painted furniture, locally inspired art, premium bed and bath linens, French doors on both levels lead to spacious porches with spectacular, unobstructed water views of the Gulf of Mexico for idyllic waterfront Marathon FL accommodations. Laundry facilities and bedrooms are upstairs.

Upstairs bedrooms feature whimsical, painted furniture with luxurious bed linens. All master bedrooms offer king size beds, private baths and 27-inch televisions. French doors on both levels lead to spacious porches with water views. Locally inspired original artwork is found throughout our Marathon accommodations.

View the Two-Bedroom Beach House and the Three-Bedroom Beach House

Room Views

Beach houses come with the option of waterfront, beachfront and waterview accommodations. Single level guestrooms have garden views. Note that views vary across all room types.

Beachfront Beach House View

Waterfront Beach House View

Waterview Beach House View

Garden Guestroom View 

Accommodation Photo Galleries

Note: Tranquility Bay Beach House Resort is a 100% non-smoking facility. Our Owners and Guests request a smoke free resort. Smoking is not allowed anywhere on resort property, including the beach houses, porches, bar, restaurant, beach or pool areas.