Up to $250 for Dining April-June
Up to $250 for Dining April - June

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

Our Biggest Sale of the Year!
Biggest Sale of the Year!

Enjoy rates from $199/Nt on select dates. Call 855-666-6259. Book Now

Win a Trip to Tranquility Bay!

Enter to win a 3-night stay by registering for our email news. Enter to Win

Last Minute Spring Break Escapes
Last Minute Availability

Top tips for family fun in the Florida Keys. Call 877-741-7839. Learn More

Early Bird Sale!
Early Bird Sale!

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

April - June Romance Escapes
April - June Romance Escapes

Save more mid-April through early June. Call 877-741-7839. View Rates

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

Stay longer and save at Tranquility Bay! Call 888-976-5006 Book Now

View Our Online Planning Guide

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

Florida Keys Diving: Snorkeling and Scuba Diving in the Florida Keys

Turtle Island Watersports for Florida Keys Diving Adventures

Tranquility Bay Beach House Resort is pleased to announce that we have chosen Turtle Island Watersports to be our exclusive onsite watersports operator for all of your Florida Keys diving adventures.

View all activities here

Diving and Snorkeling

Turtle Island Watersports consists of the finest Captains and Scuba/Snorkel Dive Professionals in the Florida Keys. Their Dive Professionals are all certified dive instructors that can teach you how to dive in a day, provide you with full Florida Keys scuba diving certification, or broaden your diving horizons with specialty scuba classes.

Water Craft

Spending time on the water is the best way to enjoy our island paradise. Turtle Island, our onsite water sports center can help coordinate all activities including Kayaking, Wave Runners, Hobie Cats and boat rentals. Witness our amazing Florida Keys sunsets on our one hour Sunset Cruise or the Moon Cruise (adults only) aboard a 40' sailing catamaran following our Full Moon Party at the Tranquility Bay TJ’s Tiki Bar.

Parasailing and Kiteboarding

For a great thrill and with a bird's eye view of Marathon and its surrounding waters consider parasailing. And with the wind at your back, let Turtle Island introduce you to the passion of Kiteboarding in our two day course.

Eco Tours

Jump aboard a Wave Runner or kayak and join Turtle Island's guided eco tours. See the tropical wildlife that makes the Florida Keys a true paradise.

Pool Adventures

The fun begins right here at our luxury Florida Keys resort in our lush tropical lagoon swimming pool, where guests have access to a wide variety of activities developed by our Adventure Concierge for their enjoyment. Read all about snorkel lessons, scuba demos, kids' favorite bubble-blowers adventures and much, much more!