18+ Hotels in Island Park, ID
Where You Can Check In at 18, 19 or 20

9 hotels in Island Park, ID list a minimum check-in age of 18 on Hotels.com, so travelers aged 18, 19 and 20 can check in. Observed starting prices begin at $148 at River Lodge, with a median of $158 per night. Sawtelle Mountain Resort has the best guest rating, 9.2/10 from 1,006 reviews. Of these, 3 have a pool, 5 offer free parking and 4 accept pets. Places mentioned near these hotels include Mack's Inn Playhouse, Harriman State Park and Big Springs. Hotel data checked in November 2026.

Policies can change: confirm the minimum check-in age with the hotel before booking.

hotels with 18+ check-in
9
lowest starting price, River Lodge
$148
median starting price per night
$158
best rating, Sawtelle Mountain Resort
9.2/10
accept pets
4
have a pool
3

Dates are passed to Hotels.com to check availability and current prices.

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Showing 9 of 9 hotels.

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Sawtelle Mountain Resort allows check-in for 18 year-old guests

Sawtelle Mountain Resort

9.2/10 1,006 reviews Highly rated

2.5-star hotel

4133 Quakie Lane, Island Park, ID 83429, USA

Island Park Golf Course · 1.6 km · 19 min walk

  • Pool
  • Fitness center
  • Free WiFi

Minimum check-in age: 18

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Pets: Pets not allowed

Nearby

  • Island Park Golf Course — 1.6 km, 19 min walk
  • Mack's Inn Playhouse — 3.5 km, 5 min drive
  • Big Springs — 9.5 km, 15 min drive

From USD 185.00

Check availability
My Yellowstone Retreat allows check-in for 18 year-old guests

My Yellowstone Retreat

10.0/10 4 reviews Highly rated

4.0-star hotel

4429 Mountain View Dr, Island Park, ID 83429, USA

Henrys Lake · 10.2 km · 7 min drive

  • Free WiFi
  • Free parking

Minimum check-in age: 18

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Parking: Free self parking on site

Pets: Pets not allowed

Nearby

  • Henrys Lake — 10.2 km, 7 min drive
  • Henrys Lake State Park — 8.1 km, 8 min drive
  • West Yellowstone Town Park — 23.9 km, 17 min drive
Check availability
Anglers Lodge allows check-in for 18 year-old guests

Anglers Lodge

8.8/10 938 reviews Highly rated

3.0-star hotel

3363 Old Hwy 191, Island Park, ID 83429, USA

Harriman State Park · 2.8 km · 3 min drive

  • Pool
  • Free WiFi
  • Air conditioning

Minimum check-in age: 18

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Pets: Pets allowed (dogs and cats only, 2 total)*

Nearby

  • Harriman State Park — 2.8 km, 3 min drive
  • Island Park Reservoir — 10.5 km, 9 min drive
  • Island Park Dam — 12.9 km, 11 min drive

From USD 193.00

Check availability
Timbers at Island Park Village Resort by VRI Americas allows check-in for 18 year-old guests

Timbers at Island Park Village Resort by VRI Americas

8.8/10 456 reviews Highly rated

3.0-star hotel

4153 N Big Springs Loop Rd, Island Park, ID 83429, USA

Island Park Golf Course · 1.1 km · 13 min walk

  • Pool
  • Fitness center
  • Free WiFi
  • Free parking

Minimum check-in age: 18

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Parking: Free self parking on site

Pets: Pets not allowed

Nearby

  • Island Park Golf Course — 1.1 km, 13 min walk
  • Mack's Inn Playhouse — 3.5 km, 4 min drive
  • Harriman State Park — 26.0 km, 21 min drive
Check availability
The Hideaway Lodge allows check-in for 18 year-old guests

The Hideaway Lodge

8.8/10 337 reviews Highly rated

3.5-star hotel

3302 Lariat Road, Island Park, ID 83429, USA

Island Park Reservoir · 4.6 km · 13 min drive

  • Free WiFi
  • Air conditioning
  • Kitchen

Minimum check-in age: 18

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Pets: Pets not allowed

Nearby

  • Island Park Reservoir — 4.6 km, 13 min drive
  • Centennial Mountain Shores Park — 6.0 km, 19 min drive
  • Mack's Inn Playhouse — 23.5 km, 25 min drive

From USD 154.00

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River Lodge allows check-in for 18 year-old guests

River Lodge

8.4/10 1,008 reviews

3.0-star hotel

3350 Highway 20, Island Park, ID 83429, USA

Harriman State Park · 1.7 km · 19 min walk

  • Free WiFi
  • Air conditioning

Minimum check-in age: 18

Show more details

Pets: Pets allowed (dogs and cats only, 2 total)*

Nearby

  • Harriman State Park — 1.7 km, 19 min walk
  • Mack's Inn Playhouse — 20.5 km, 15 min drive
  • Big Springs — 32.0 km, 28 min drive

From USD 148.00

Check availability
Wander Camp Yellowstone allows check-in for 18 year-old guests

Wander Camp Yellowstone

8.2/10 654 reviews

2.0-star hotel

4939, Two Top Canyon Creek Road, Island Park, ID 83429, USA

Island Park Golf Course · 8.7 km · 11 min drive

  • Free parking
  • Pet friendly

Minimum check-in age: 18

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Parking: Free uncovered self parking on site

Pets: Pets allowed*

Nearby

  • Island Park Golf Course — 8.7 km, 11 min drive
  • Mack's Inn Playhouse — 10.4 km, 11 min drive
  • Henrys Lake State Park — 12.2 km, 11 min drive

From USD 151.00

Check availability
Drift Lodge & Fly Shop allows check-in for 18 year-old guests

Drift Lodge & Fly Shop

8.0/10 435 reviews

3.0-star hotel

4771 N Highway 20, Island Park, ID 83429, USA

Henrys Lake State Park · 10.1 km · 7 min drive

  • Free WiFi
  • Free parking
  • Pet friendly

Minimum check-in age: 18

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Parking: Free self parking on site · RV, bus, and truck parking on site

Pets: Pets not allowed

Nearby

  • Henrys Lake State Park — 10.1 km, 7 min drive
  • Island Park Golf Course — 8.7 km, 8 min drive
  • Mack's Inn Playhouse — 10.4 km, 8 min drive

From USD 161.00

Check availability
Grub House Coffee & Cabins allows check-in for 18 year-old guests

Grub House Coffee & Cabins

3.0-star hotel

3306 US-20, Island Park, ID 83429, USA

Harriman State Park · 1.0 km · 11 min walk

  • Free WiFi
  • Free parking

Minimum check-in age: 18

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Parking: Free uncovered self parking on site · Wheelchair-accessible parking available · Wheelchair-accessible parking

Pets: Service animals welcome

Nearby

  • Harriman State Park — 1.0 km, 11 min walk
  • Mack's Inn Playhouse — 21.2 km, 16 min drive
  • Big Springs — 32.7 km, 29 min drive
Check availability

Nearby Cities With 18+ Hotels

Rexburg 53 mi · 6 hotels
Victor 65 mi · 8 hotels
Idaho Falls 79 mi · 11 hotels
Pocatello 127 mi · 5 hotels
Lava Hot Springs 136 mi · 6 hotels
Ketchum 160 mi · 4 hotels
Jerome 201 mi · 4 hotels
Twin Falls 206 mi · 8 hotels
Donnelly 232 mi · 2 hotels
Boise 250 mi · 17 hotels
Meridian 258 mi · 5 hotels
Nampa 266 mi · 6 hotels
Coeur d'Alene 340 mi · 8 hotels

See all Idaho cities with 18+ hotels

Island Park Hotel Check-In FAQ

Can you check into a hotel in Island Park at 18?

Yes. 9 hotels in Island Park list a minimum check-in age of 18 on Hotels.com. Policies can change, so confirm with the property before booking and bring a government-issued photo ID.

Can I check in without a credit card in Island Park?

Often, yes. Of the 9 hotels listed here, 6 accept debit cards and 7 accept cash, according to Hotels.com, including My Yellowstone Retreat, Sawtelle Mountain Resort and Anglers Lodge. Most hotels still hold a deposit for incidentals at check-in, so call ahead to confirm they will take it without a credit card.

What time is check-in at 18+ hotels in Island Park?

Check-in starts between 3 PM and 5 PM at the hotels listed here, most often at 4 PM (5 of 9). Check-out is usually at 11 AM. 5 properties have no front desk, so check-in instructions are sent before arrival.

Which 18+ hotel is closest to Mack's Inn Playhouse?

Sawtelle Mountain Resort is the closest of the hotels listed here, 2.2 mi away, followed by Timbers at Island Park Village Resort by VRI Americas (2.2 mi) and Wander Camp Yellowstone (6.5 mi).

What is the cheapest hotel in Island Park for 18-year-olds?

River Lodge had the lowest observed starting price, from $148 per night when we checked in November 2026, against a median of $158 for the 6 hotels with a listed price. Prices change with dates: select your dates to see the current price on Hotels.com.