18+ Hotels in Mount Vernon, IL
Where You Can Check In at 18, 19 or 20

3 hotels in Mount Vernon, IL 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 $72 at Royal Inn, with a median of $125 per night. Drury Inn & Suites Mt. Vernon has the best guest rating, 9.8/10 from 1,805 reviews. Of these, 2 have a pool and all 3 accept pets. Places mentioned near these hotels include Jefferson County Fairgrounds, Rend Lake and Raccoon Lake Park. 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
3
lowest starting price, Royal Inn
$72
median starting price per night
$125
best rating, Drury Inn & Suites Mt. Vernon
9.8/10
accept pets
3
have a pool
2

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

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Showing 3 of 3 hotels.

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Drury Inn & Suites Mt. Vernon allows check-in for 18 year-old guests

Drury Inn & Suites Mt. Vernon

9.8/10 1,805 reviews Highly rated

3.5-star hotel

145 North 44th Street, Mount Vernon, IL 62864, USA

King City Square Shopping Center · 1.0 km · 11 min walk

  • Pool
  • Fitness center
  • Free WiFi
  • Air conditioning

Minimum check-in age: 18

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Parking: Wheelchair-accessible parking

Pets: Pets allowed (dogs and cats only, 2 total, up to 40 lbs per pet)*

Nearby

  • King City Square Shopping Center — 1.0 km, 11 min walk
  • Jefferson County Fairgrounds — 6.9 km, 5 min drive
  • Rend Lake — 24.6 km, 11 min drive

From USD 125.00

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Comfort Suites Mount Vernon allows check-in for 18 year-old guests

Comfort Suites Mount Vernon

9.0/10 1,081 reviews Highly rated

2.5-star hotel

404 South 44th Street, Mount Vernon, IL 62864, USA

King City Square Shopping Center · 0.8 km · 9 min walk

  • Pool
  • Fitness center
  • Free WiFi
  • Air conditioning

Minimum check-in age: 18

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Parking: Wheelchair-accessible parking

Pets: Pets allowed*

Nearby

  • King City Square Shopping Center — 0.8 km, 9 min walk
  • Jefferson County Fairgrounds — 6.9 km, 5 min drive
  • Rend Lake — 24.6 km, 12 min drive

From USD 133.00

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Royal Inn allows check-in for 18 year-old guests

Royal Inn

6.8/10 193 reviews

2.0-star hotel

750 South 10th Street, Mount Vernon, IL 62864, USA

Jefferson County Fairgrounds · 1.4 km · 16 min walk

  • Free WiFi
  • Air conditioning

Minimum check-in age: 18

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

Nearby

  • Jefferson County Fairgrounds — 1.4 km, 16 min walk
  • Veterans Memorial Park — 1.4 km, 2 min drive
  • Rend Lake — 26.5 km, 13 min drive

From USD 72.00

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Nearby Cities With 18+ Hotels

Effingham 59 mi · 5 hotels
Collinsville 64 mi · 2 hotels
Decatur 107 mi · 2 hotels
Springfield 108 mi · 5 hotels
Champaign 129 mi · 4 hotels
Urbana 130 mi · 2 hotels
Bloomington 149 mi · 2 hotels
Morton 162 mi · 2 hotels
Washington 167 mi · 2 hotels
Morris 213 mi · 2 hotels
Joliet 225 mi · 4 hotels
Moline 234 mi · 4 hotels
Chicago 252 mi · 22 hotels
Rockford 273 mi · 2 hotels

See all Illinois cities with 18+ hotels

Mount Vernon Hotel Check-In FAQ

Can you check into a hotel in Mount Vernon at 18?

Yes. 3 hotels in Mount Vernon 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 Mount Vernon?

Often, yes. Of the 3 hotels listed here, 2 accept debit cards and 2 accept cash, according to Hotels.com (Comfort Suites Mount Vernon and Royal Inn). Most hotels still hold a deposit for incidentals at check-in, so call ahead to confirm they will take it without a credit card.

Which 18+ hotel is closest to Jefferson County Fairgrounds?

Royal Inn is the closest of the hotels listed here, 0.9 mi away, followed by Drury Inn & Suites Mt. Vernon (4.3 mi) and Comfort Suites Mount Vernon (4.3 mi).

What is the cheapest hotel in Mount Vernon for 18-year-olds?

Royal Inn had the lowest observed starting price, from $72 per night when we checked in November 2026, against a median of $125 for the 3 hotels with a listed price. Prices change with dates: select your dates to see the current price on Hotels.com.