Marathon Adults Only Holidays
Book a Adults Only Hotel + Flight or Car together to unlock savings
- Plan, book, travel with confidence
- Better togetherSave up to £335 when you book a flight and hotel together*
- Find the right fitWith over 300,000 hotels worldwide, it's easy to create a perfect package
- Rest easyPackages with flights are ATOL protected
Top Adults Only Marathon Hotels
Tranquility Bay Beachfront Hotel and Resort
2600 Overseas Hwy Marathon FL
Stay at this beach hotel in Marathon. Enjoy free Wi-Fi, free parking and 3 outdoor pools. Our guests praise the pool and the helpful staff in their reviews. ...
8.8/10 Excellent! (1,003 reviews)
Great stay with family and friends. Highly recommend.
Reviewed on 21 Mar 2026
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.
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* Savings based on package bookings compared to the price of the same components booked separately. Savings not available on all packages. Flight-inclusive packages are ATOL protected.
