Sign Up for Updates from Our Marathon Key Resort
The Latest News, Deals, and More
Sign up to receive exclusive offers, the latest news, and instant alerts on our Marathon Key resort promotions and interactive sweepstakes and giveaways. Staying connected with Tranquility Bay Beach House Resort means enjoying endless savings.
Get Social With Us.
Be the first to receive the latest promotions and social media-only offers. Enjoy exclusive interactive contests and win great prizes. Share your thoughts, memories and photos with us.
Tranquility Bay Beach House Resort would love to mix and mingle with you—so get social with us!