Hotels for 18- to 20-year-olds in Rapid City, South Dakota

This gateway to the Black Hills offers nature, adventure, and history. 18+ hotels make it easy to check in and get started on your next outdoor adventure.

Age policies checked quarterly (January 2026)

Nearby cities with hotels for under-21s

Rapid City has a laid-back, outdoorsy vibe that makes it a perfect stop on a South Dakota road trip. It’s the closest city to Mount Rushmore, but there’s more to do than just the monument. Every summer the Black Hills Powwow brings music, dance, and food to town, and if you’re around in August, the nearby Sturgis Motorcycle Rally turns the whole region into a massive street party. Even just hanging out downtown feels fun, with its statues, local coffee shops, and easygoing pace.

For travelers under 21, Rapid City is surprisingly manageable when it comes to finding a place to stay. There are about a dozen hotels here that allow 18+ check-in, ranging from simple budget spots to more comfortable mid-range choices. We’ve rounded up the ones that actually let you book a room at 18 so you don’t have to dig through fine print before heading into the Black Hills.

The list 13 hotels for 18- to 20-year-olds in Rapid City

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  • 1 Sweetgrass Inn Bed & Breakfast Rapid City $$$

    *** Guest Rating 9.4

    Our opinion: With made-to-order breakfast, an on-site bar and restaurant, and regular live music, this rustic bed-and-breakfast offers a more personal, lively alternative to a standard roadside stay. Free parking, Wi-Fi, shared kitchen space, snacks, and easy communication for late arrivals make it a practical base for a Black Hills road trip, while mountain-view terraces and a quiet setting outside town add to the appeal. A few rooms do have quirks such as low beams or smaller beds, so expect character rather than chain-hotel polish. Read more

    Address 9356 Neck Yoke Road Show on map
    • The minimum age for check-in at this hotel is 18
    • Pets are welcome.
    • Free parking available.
  • 2 Hampton Inn & Suites Rapid City Rushmore, SD Rapid City $$$

    *** Guest Rating 8.7

    Our opinion: Free breakfast, an indoor pool, and straightforward highway access make this a dependable choice for a practical stay in Rapid City. Roomy rooms, Wi-Fi, parking, and a 24-hour front desk fit well with road trips and sightseeing-focused plans without pushing the price into luxury territory. The location also makes it easy to get out to Mount Rushmore and back without much hassle. Read more

    Address 825 Eglin St, Bldg A Show on map
    • The minimum age for check-in at this hotel is 18
    • Heated pool.
    • Gym / fitness center.
    • Pets are welcome.
    • Free parking available.
  • 3 Courtyard by Marriott Rapid City Rapid City $$$

    *** Guest Rating 8.7

    Our opinion: Modern rooms, a pool, and easy highway access make this a practical base for a Rapid City stay that balances daytime outings with simple evenings back at the hotel. It’s best suited to travelers who prioritize a clean, updated place and a convenient location over included extras. Free Wi-Fi, a fitness center, an on-site bar and restaurant, and 24-hour front desk service add to the convenience for short stays or road-trip stopovers, though parking may cost extra and breakfast is not included. Read more

    Address 580 Watiki Way Show on map
    • The minimum age for check-in at this hotel is 18
    • Gym / fitness center.
    • Free parking available.
    • Water park.
  • 4 Tru By Hilton Rapid City Rushmore, Sd Rapid City $$$

    *** Guest Rating 8.5

    Our opinion: Free breakfast, around-the-clock coffee, and a sociable lobby with games give this Rapid City hotel a more relaxed, hangout-friendly feel than a typical roadside stop. It’s a practical choice for short stays and road trips, with easy parking, a gym, free Wi-Fi, and convenient access to major routes around town. Rooms are fairly compact and in-room extras are limited, so it suits travelers who are happy to spend more time in the common areas. Read more

    Address 825 Elgin St, Bldg B Show on map
    • The minimum age for check-in at this hotel is 18
    • Swimming pool.
    • Pool tables.
    • Gym / fitness center.
    • Pets are welcome.
    • Free parking available.
  • 5 Home2 Suites By Hilton Rapid City Rapid City $$$

    *** Guest Rating 8.5

    Our opinion: Roomy suites with kitchenettes and direct access to the connected water park make this an easy, fun base in Rapid City. Free Wi‑Fi, breakfast, a gym, airport transfer, and a 24-hour front desk add convenience, while the bar and restaurant help keep things simple after a long day out. Just note that several guests mentioned noise and inconsistent room upkeep, so it may not suit anyone seeking a particularly quiet or polished stay. Read more

    Address 621 WaTiki Way Show on map
    • The minimum age for check-in at this hotel is 18
    • Swimming pool.
    • Gym / fitness center.
    • Pets are welcome.
    • Free parking available.
    • Water park.
  • 6 Cambria Hotel Rapid City near Mount Rushmore Rapid City $$$

    *** Guest Rating 8.2

    Our opinion: Featuring suite-style rooms, an indoor pool, and free airport transportation, this is a solid pick for a road-trip base rather than a downtown hangout spot. It works best for travelers who want extra space, easy interstate access, and practical perks like free Wi-Fi, a fridge, and microwave for quick meals between outings. The setup is convenient for longer sightseeing days, especially if you’re flying in or heading out early. Just keep expectations realistic: it has more comfort-and-convenience appeal than boutique personality, and service can be a bit inconsistent. Read more

    Address 3333 Outfitter Road Show on map
    • The minimum age for check-in at this hotel is 18
    • Heated pool.
    • Gym / fitness center.
    • Free parking available.
  • 7 Sleep Inn & Suites Rapid City Rapid City $$$

    *** Guest Rating 8.0

    Our opinion: An indoor pool, hot tub, and free hot breakfast make this a convenient budget-friendly stop for exploring Rapid City and the Black Hills. It’s best suited to travelers spending most of the day on the road and returning for a swim, a simple room, and an easy breakfast, with free Wi-Fi, parking, and in-room microwaves and fridges adding useful convenience. Reviews suggest the experience can be uneven, so it’s a better fit as a practical stopover than a stylish or especially reliable stay. Read more

    Address 4031 Cheyenne Boulevard Show on map
    • The minimum age for check-in at this hotel is 18
    • Heated pool.
    • Gym / fitness center.
    • Pets are welcome.
    • Free parking available.
  • 8 Hilton Garden Inn Rapid City Rapid City $$$

    *** Guest Rating 7.9

    Our opinion: Just off I-90, this hotel makes a practical base for exploring Rapid City and the Black Hills by car. The indoor pool, hot tub, gym, free Wi-Fi, and on-site restaurant give you useful options after a day out, while in-room basics like a mini-fridge, microwave, and coffee maker help keep things easy. Value can feel uneven, though, as some guests thought the price didn’t always match the condition or service. Read more

    Address 815 East Mall Drive Show on map
    • The minimum age for check-in at this hotel is 18
    • Swimming pool.
    • Gym / fitness center.
    • Free parking available.
  • 9 My Place Hotel Rapid City Rapid City $$$

    *** Guest Rating 7.9

    Our opinion: In-room kitchenettes with a full-sized fridge, microwave, toaster, and coffee maker make this a practical option for budget-conscious travelers who want to keep meal costs down and have a flexible base in Rapid City. The setup suits road trips, short stopovers, and days spent mostly out exploring, with a 24-hour front desk, airport access, and generally reasonable rates adding to the appeal. Just keep in mind that breakfast is not offered and service is more limited than at a full-service hotel. Read more

    Address 1612 Discovery Circle Show on map
    • The minimum age for check-in at this hotel is 18
    • Pets are welcome.
    • Free parking available.
  • 10 Fairfield Inn & Suites Rapid City Rapid City $$$

    *** Guest Rating 7.8

    Our opinion: Next to WaTiki Indoor Waterpark and convenient for the main routes through the Black Hills, this hotel is best approached as a lively, practical base rather than a polished full-service stay. Free Wi‑Fi, hot breakfast, a gym, a hot tub, and nearby on-site dining add to the convenience, with the water park access as the main selling point. It’s a good fit for casual road trips and activity-focused stays, though several guests mentioned unexpected extra charges for parking or water park entry. Read more

    Address 1314 North Elk Vale Road Show on map
    • The minimum age for check-in at this hotel is 18
    • Heated pool.
    • Gym / fitness center.
    • Free parking available.
    • Water park.
  • 11 Comfort Inn & Suites Summerset - Black Hills Area Rapid City $$$

    *** Guest Rating 7.3

    Our opinion: With an indoor pool, hot tub, free breakfast, and convenient highway access, this budget-friendly hotel makes a practical base for exploring the Black Hills by car. Free parking and simple facilities suit travelers stopping between Rapid City, Sturgis, and Mount Rushmore, while the overall value is often good for short stays. Mixed reports on upkeep and maintenance mean it’s best approached with modest expectations. Read more

    Address 7900 Stage Stop Road, Exit 48 Show on map
    • The minimum age for check-in at this hotel is 18
    • Swimming pool.
    • Gym / fitness center.
    • Pets are welcome.
    • Free parking available.
  • 12 Days Inn by Wyndham Rapid City Rapid City $$$

    ** Guest Rating 6.6

    Our opinion: Right off I-90, this budget hotel can serve as a low-cost overnight stop in Rapid City when convenience matters more than comfort. You’re within easy driving distance of Mount Rushmore, downtown, the mall, and the civic center, and practical extras include free Wi-Fi, grab-and-go breakfast, an indoor pool, hot tub, and a 24-hour front desk. Mixed review scores and repeated complaints about cleanliness, maintenance, and service make it one to book carefully. Read more

    Address 1570 North LaCrosse Street Show on map
    • The minimum age for check-in at this hotel is 18
    • Heated pool.
    • Free parking available.
  • 13 Travelodge by Wyndham Rapid City Rapid City $$$

    ** Guest Rating 5.3

    Our opinion: Close to Rapid City and within easy reach of Black Hills sights, this low-cost motel can work as a simple base when location and price matter more than time spent at the property. Drive-up parking, free Wi-Fi, a 24-hour front desk, and an outdoor heated pool add practical convenience, but the very low guest rating makes it a cautious choice for travelers willing to trade comfort and consistency for savings. Read more

    Address 2505 Mount Rushmore Road Show on map
    • The minimum age for check-in at this hotel is 18
    • Swimming pool.
    • Pets are welcome.
    • Free parking available.