Along with a surf lagoon, the resort will feature a hotel, surf cabins, a lazy river, swimming pools and a mix of food/beverage options.

We hand-picked these U.S. luxury spa resorts for their serenity, amenities and dedication to the comfort of older travelers.

Day passes at Arizona's resort spas grant access to amenities like hot tubs and cold plunge pools. During spa week, there are even better deals.