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Top Adults Only Marathon Hotels

Tranquility Bay Beachfront Hotel and Resort

2600 Overseas Hwy Marathon FL

4 min drive from Sombrero Beach

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! (1,000 reviews)

Yes, the room was very clean. We especially enjoyed the heated small pool close to our room. The grounds were beautiful and very well maintained. We enjoyed the chairs by the water.

Reviewed on 12 Jan 2026

See all 1,514 properties in Marathon

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.