Best Adults-Only All-Inclusives in the U.S.

This spa resort is blissfully serene, despite being only 30 minutes from downtown Austin. Its sits amid forested hills adjacent to the Balcones Canyonlands Preserve. For relaxation, there’s an infinity pool and an 11-room spa, but guests can also partake in outdoor activities like ziplining, horseback riding, and hiking. There’s also a farm on the property, and guests can take agriculture classes there. The all-inclusive rate covers a range of programs and activities, three meals per day with non-alcoholic beverages, and a $175 credit toward spa treatments and private classes. Minimum guest age: 16

Though the Poconos are filled with purposefully tacky honeymoon retreats, the Lodge at Woodloch is anything but gaudy. This upscale property sits on acres of private land with its own lake. Guests can dine at the onsite farm-to-table restaurant, sampling dishes created with produce grown in the resort’s garden, take fitness classes that range from aerobics to T’ai chi, and relax at the massive spa, comprising 27 treatment rooms, saunas, steam rooms, and whirlpools. The resort is adjacent to an 18-hole golf course that is part of its sister property. The all-inclusive rate includes three meals per day with non-alcoholic beverages, fitness classes and lectures, chef's demonstrations, and adventure excursions. Minimum guest age: 16

With a focus on wellness, Canyon Ranch is a great place to rejuvenate your body and mind. Activities include from fitness classes (each guest receives a fitness assessment), a ropes course (for an extra fee), tennis and racquetball, informational lectures, and therapy sessions with psychotherapists. There’s an 80,000-square-foot spa complex to enjoy, as well as two dining rooms that serve healthy, low-calorie meals. (Note: There's no alcohol served on site.) Guests should note that no alcohol is served at the resort, but they are welcome to bring it for in-room consumption. The all-inclusive rate includes three meals per day with non-alcoholic beverages, fitness classes, guided excursions, wellness presentations, and an allowance toward spa treatments, sports programs, and other wellness services. Minimum guest age: 14

Situated on 19 acres of lakefront property, Lake Austin Spa Resort has plenty of outdoor activities for guests, including paddleboarding, kayaking, hiking, and more. For a wellness experience, the resort has fitness classes, educational lectures, and over 100 spa and salon treatments. Three pools offer guests different types of swimming -- there’s a lap pool, an oasis perfect for lounging, and a large pool that errs on the sportier side. The all-inclusive rate includes three meals a day with non-alcoholic beverages, fitness activities, lectures, and access to watersports equipment. Minimum guest age: 14

In the heart of the red rock cliffs in Utah, this getaway combines adventure with leisure. Guests can take guided hikes through lava tubes, enjoy free bicycle rentals through Zion Canyon, or take an excursion to see the wild mustangs. There are also day trips to nearby national parks. But to relax, guests can enjoy the spa, one of the three pools, or one of the three hot tubs. There are different wellness programs available, whether guests are looking to lose weight or enhance their sports performance. The all-inclusive package includes three meals per day with non-alcoholic beverages, fitness and health classes, guided hikes, and cooking demonstrations. Minimum guest age: 11 

As its name suggests, this property is indeed historic -- it’s listed on the National Register of Historic Places. It was opened in 1930 by the Aluminum Company of America on 120 acres in the Nantahala National Forest. It’s popular with motoring enthusiasts, who are drawn to the nearby Tail of the Dragon road. Guests can enjoy activities on the Cheoah River, like fly-fishing and kayaking, or relax near the outdoor firepits. There are two dining options, Jasper's Restaurant and SlickRock Grill, as well as a bar with microbrews. The all inclusive rate includes a breakfast buffet and a three-course dinner daily with non-alcoholic beverages. Minimum guest age: 12