A waterfall cascading into a river surrounded by cliffs and vegetation.

Adults Only & Resorts in Southern Idaho from NZ$184

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Check availability on Southern Idaho Adults Only

Our top choices for Southern Idaho adults-only hotels

Hot springs

Riverside Hot Springs Inn & Spa - Adults Only

Riverside Hot Springs Inn & Spa - Adults Only
3.0 star property
Lava Hot Springs
9.0 out of 10, Wonderful, (664 reviews)
"Perfect stay before getting into Yellowstone"
United States
Yusuke
The price is NZ$323
includes taxes & fees
23 July - 24 July
Riverside Hot Springs Inn & Spa - Adults Only
Indoor spa tub

Xhale Resort and Spa

Xhale Resort and Spa
2.0 star property
Idaho Falls
9.6 out of 10, Exceptional, (42 reviews)
"Beautiful landscape, nice hot pools, games, and very clean cabin with great amount of space"
United States
Melissa
The price is NZ$392
includes taxes & fees
27 July - 28 July
Xhale Resort and Spa
Interior

Cabana Inn

Cabana Inn
2.0 star property
West Downtown
6.4 out of 10, (999 reviews)
"Book another place"
United States
Jean
The price is NZ$184
includes taxes & fees
21 July - 22 July
Cabana Inn
Lobby

1872 Inn - Adults Exclusive

1872 Inn - Adults Exclusive
2.5 star property
West Yellowstone
9.8 out of 10, Exceptional, (274 reviews)
"The property is wonderfully decorated in the theme of Yellowstone and 1872. It was perfect stay for our daily trips into Yellowstone. It would be great if the sauna stayed open later than 10pm."
United States
John
The price is NZ$847
includes taxes & fees
21 July - 22 July
1872 Inn - Adults Exclusive
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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Top Southern Idaho Hotel Reviews

Frequently asked questions

What is there to do in Southern Idaho near my adults-only hotel?
One of the most important travel accessories for your Southern Idaho trip is a well-organised itinerary! Zoo Boise, Morrison Centre for the Performing Arts and Basque Museum and Cultural Centre are some of the biggest sights if you're heading to Boise. Ketchum also has loads of fantastic attractions, such as Bald Mountain. Want to explore more? Make sure you visit Big Wood Golf Course and Gail Severn Gallery too.
From what age can you stay in an adult-only hotel in Southern Idaho?
In general, it's 16  18 or 21. The adult-only resorts and hotels in Southern Idaho may have different age requirements, so read the rules of the property you want to stay in before reserving your room. Whether you're organising a romantic trip or a weekend away with the girls, Expedia's adult-only hotels have all the essentials for a fun-filled grown-up getaway.
Are all adult-only resorts all-inclusive in Southern Idaho?
If you only plan to stay at a resort or hotel where almost everything you need is included in a one-off fee, try our "all-inclusive" filter. This will display all available adult-only all-inclusive properties in Southern Idaho that generally include your room, food and drinks, on-site activities and great entertainment. Check out the hotel you're keen on to find out what you get for your money.
When is the best time to stay at an adult-only all-inclusive resort in Southern Idaho?
The best time to stay at an adult-only all-inclusive resort in Southern Idaho can depend on a few things, one of which is the weather. Also consider whether you prefer to experience the excitement of peak season, when demand for flights and hotels is at its highest, or the low season, when the pace is a little slower. Take into account your travel budget and style before locking in your dream adult-only getaway that offers the works!
Can I cancel or change my adult-only resort booking?
It is possible to cancel or change your booking, but check your itinerary or go to Expedia's Trips portal to find out what rules apply. Whether you'll get charged a fee depends on the type of adult-only resort or hotel booking you made. Haven't reserved your Southern Idaho escape yet? Look for adult-only properties that allow a full refund — for when life gets in the way!

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