For Travelzoo members only, book a stay at the Fairfield Inn & Suites by Marriott Marathon Florida Keys with prices from $99 per night at Travelzoo. We found the best price on stays August-September in a king or two-queen room. There's no resort fee, and breakfast is complimentary. Need to cancel? Do so by 3 p.m. local time at least 72 hours prior to arrival. Taxes, fees, and exclusions apply.