Online Reservation

Activities at Tranquility Bay Resort

Onsite water sports

Dive into fun during your Tranquility Bay stay with Turtle Island Watersports – our exclusive onsite operator. From boat and jet ski rentals to scuba diving in the Keys, there’s something for everyone. Come on in, the water’s a dream.

See our full list of onsite water sports and follow the links below for more information:

  • Diving and snorkeling - Learn how to dive, get your Florida Keys diving certification, or take a specialty class right here in Marathon.
  • Watercraft - Try kayaking, stand-up paddleboarding, rent a WaveRunner, or witness our amazing sunsets aboard a Hobie Cat or 40-foot sailing catamaran.
  • Eco tours - Discover the tropical wildlife that makes the Keys a true paradise. Jump on a WaveRunner or kayak and join one of Turtle Island's excellent eco-tours.
  • Pool adventures - Take a snorkel lesson, watch a scuba demo, or treat your kids to a bubble-blowers' adventure, all available in our tropical lagoon pool.

Take a virtual tour of our watersports area

Please note: the last water sports reservations of the day are taken at 4 pm. The reservation tent closes at 5 pm, or earlier if reservations are not made by 4 pm.

Onsite swimming beach & pools

As well as having our own private swimming beach, Tranquility Bay offers three beautiful swimming pools. Whether you're a couple seeking a quiet and secluded poolside to relax, or a family with little ones wanting to play and build confidence in the water, we have something for everyone.

Read more about our private swimming beach & pools

Onsite activities

If you prefer to exercise on dry to land, there's plenty of options for that too. All of which are complimentary.

Putting Green by Nicklaus Design

Test your golf game on our beautiful Nicklaus Design putting green. With glimpses of the Gulf of Mexico as you play, you really can relax into your swing.

Take a virtual tour of our Nicklaus Design putting green

Beach Volleyball

Play with family and friends, with the softest white sand beneath your feet and the ocean by your side.

Take a virtual tour of our beach volleyball court

Fitness Room

For those who prefer to work out indoors, our fitness room offers state of the art running machines, bikes, and a selection of weights and other exercise equipment.

Take a virtual tour of our fitness room

Florida fishing

Feel the right kind of blue straight from the dock, with our turquoise waters teeming with fish year-round. Just outside the reef, experience some of the world’s best offshore sport fishing. Reel in marlin, sailfish, tuna, dolphin, barracuda, and more. Meanwhile, fly fishermen will enjoy fishing in the nearby flats and backcountry, where bonefish, tarpon, and permit await. We have a select group of seasoned captains ready to share with you their love of fishing. Guided tours fill up fast, so speak to reception to make your reservation early.

Read more about fishing in Marathon

All Florida Keys activities are weather permitting and reservations are required. Call (305) 743-2421 to make your plans.