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

Adults Only & Resorts in Southern Idaho from NZ$179

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Check availability on Southern Idaho Adults Only

Tonight
14 Sept - 15 Sept
Tomorrow
15 Sept - 16 Sept
This weekend
18 Sept - 20 Sept
Next weekend
25 Sept - 27 Sept

Our top choices for Southern Idaho adults-only hotels

A tiled swimming pool with a rectangular shape and a border of smaller tiles.
A cafe with a chalkboard menu listing drinks and specials, a coffee machine, and a variety of beverages and snacks on display.
A neatly arranged hotel room with a bed, bedside lamps, a nightstand, a chair, and two framed pictures on the wall.
A wooden bench under a white column with an American flag, overlooking a mountainous landscape with trees and a building in the background.

1. Riverside Hot Springs Inn & Spa - Adults Only

Riverside Hot Springs Inn & Spa - Adults Only
Lava Hot Springs
United States
Kristie
NZ$329
includes taxes & fees
1 Oct - 2 Oct
Riverside Hot Springs Inn & Spa - Adults Only
A covered corridor with a wooden floor, white walls, and metal railings.
A hotel room with a large bed, two bedside tables, a nightstand, a wall-mounted lamp, and a framed picture above the bed.
A hallway with a wooden floor leading to a bathroom with white tiles and a visible toilet.
A corridor with a series of windows and doors, a tiled floor, and a railing on one side.

2. Cabana Inn

Cabana Inn
West Downtown
United States
Barry
NZ$179
includes taxes & fees
15 Oct - 16 Oct
Cabana Inn
A spa area with a pool, wooden benches, and a seating area with cushions.
A modern kitchen with pendant lights, a central island, and a dining area with a fireplace.
A patio area with a wooden deck, outdoor seating, and a small water feature.
A neatly made bed with a tufted headboard, two bedside lamps, and a wooden nightstand with drawers.

3. Xhale Resort and Spa

Xhale Resort and Spa
Idaho Falls
United States
Melissa
NZ$425
includes taxes & fees
15 Sept - 16 Sept
Xhale Resort and Spa
A cozy living room with a stone fireplace, leather armchairs, and a patterned rug.
A wooden building with the year "1872" displayed on the side.
A modern interior with stone walls, a fireplace, and a central coffee table with a geometric pattern.
A wooden building with the number 1872 and the word "INN" painted on the side.

4. 1872 Inn - Adults Exclusive

1872 Inn - Adults Exclusive
West Yellowstone
United States
elizabeth
NZ$868
includes taxes & fees
14 Oct - 15 Oct
1872 Inn - Adults Exclusive
A compact kitchen with a stove, sink, and microwave, a small dining area with a table and chairs, and a bed with a patterned bedspread and pillows.
A bathroom with a shower, toilet, and sink.

5. Tiny house for your Big Adventures

Tiny house for your Big Adventures
St Anthony
United States
Karen M.
NZ$194
includes taxes & fees
20 Sept - 21 Sept
Tiny house for your Big Adventures
A hotel entrance with a covered porch, potted plants, and bicycles.
A modern living room with a grey sofa, wooden chairs, and a red rug.
A bunk bed with a ladder, a small shelf, and a light fixture above the bed.
A small, cozy seating area with a wooden bench and two tables, each with a single chair.

6. Cache House

Cache House
Jackson
United States
Mariana
NZ$246
includes taxes & fees
12 Oct - 13 Oct
Cache House
View all properties

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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