Duck Key Adults Only Holidays
Book a Adults Only Hotel + Flight or Car together to unlock savings
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- Plan, book, travel with confidence
Better together
Save up to £335 when you book a flight and hotel together*
Find the right fit
With over 300,000 hotels worldwide, it's easy to create a perfect package
Rest easy
Packages with flights are ATOL protected
Top Adults Only Duck Key Hotels
Hawks Cay Resort
61 Hawks Cay Blvd, Marathon, FL
Stay at this beach hotel in Marathon. Enjoy free Wi-Fi, 5 outdoor pools and a full-service spa. Our guests praise the pool and the helpful staff in their reviews. ...
8/10 Very Good! (1,030 reviews)
"Great stay with family! Lots to do and plenty nearby for other dining and shopping options."
Reviewed on 25 Jul 2025
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.