18+ Hotels in St. Marys, PA
Where You Can Check In at 18, 19 or 20

2 hotels in St. Marys, PA list a minimum check-in age of 18 on Hotels.com, so travelers aged 18, 19 and 20 can check in. Cobblestone Inn & Suites - St Marys was listed from $266 per night. Cobblestone Inn & Suites - St Marys has the best guest rating, 9.4/10 from 312 reviews. Of these, 1 has a pool. Places mentioned near these hotels include Apollo Theatre, Straub Brewery and Franklin Plaza. 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
2
lowest starting price, Cobblestone Inn & Suites - St Marys
$266
best rating, Cobblestone Inn & Suites - St Marys
9.4/10
has a pool
1

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

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Cobblestone Inn & Suites - St Marys allows check-in for 18 year-old guests

Cobblestone Inn & Suites - St Marys

9.4/10 312 reviews Highly rated

2.5-star hotel

328 Depot Street, St. Marys, PA 15857, USA

Apollo Theatre · 0.5 km · 5 min walk

  • Fitness center
  • Free WiFi
  • Air conditioning

Minimum check-in age: 18

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Parking: Wheelchair-accessible parking · 6 on-site accessible parking spaces

Pets: Pets not allowed

Nearby

  • Apollo Theatre — 0.5 km, 5 min walk
  • Straub Brewery — 0.5 km, 5 min walk
  • Franklin Plaza — 0.6 km, 6 min walk

From USD 266.00

Check availability
Gunners Inn allows check-in for 18 year-old guests

Gunners Inn

7.8/10 112 reviews

2.5-star hotel

33 South St. Marys Street, St. Marys, PA 15857, USA

Franklin Plaza · 0.1 km · 1 min walk

  • Pool
  • Free WiFi
  • Air conditioning

Minimum check-in age: 18

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Parking: Wheelchair-accessible parking

Pets: Pets not allowed

Nearby

  • Franklin Plaza — 0.1 km, 1 min walk
  • Saint Marys Public Library — 0.2 km, 2 min walk
  • Apollo Theatre — 0.3 km, 3 min walk
Check availability

Nearby Cities With 18+ Hotels

Punxsutawney 42 mi · 2 hotels
State College 58 mi · 9 hotels
Altoona 66 mi · 4 hotels
Huntingdon 72 mi · 2 hotels
Mansfield 79 mi · 2 hotels
Butler 82 mi · 2 hotels
Mercer 90 mi · 2 hotels
Erie 91 mi · 2 hotels
New Castle 99 mi · 3 hotels
Pittsburgh 103 mi · 15 hotels
Somerset 104 mi · 5 hotels
Rainsburg 108 mi · 4 hotels
Allentown 170 mi · 3 hotels
Philadelphia 204 mi · 16 hotels

See all Pennsylvania cities with 18+ hotels

St. Marys Hotel Check-In FAQ

Can you check into a hotel in St. Marys at 18?

Yes. 2 hotels in St. Marys 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 St. Marys?

Often, yes. Of the 2 hotels listed here, 1 accepts debit cards and 1 accepts cash, according to Hotels.com (Gunners 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.

What time is check-in at 18+ hotels in St. Marys?

Check-in starts between 3 PM and 4 PM at the hotels listed here. Check-out is usually at 11 AM.

Which 18+ hotel is closest to Apollo Theatre?

Gunners Inn is the closest of the hotels listed here, 0.2 mi away, followed by Cobblestone Inn & Suites - St Marys (0.3 mi).

What is the cheapest hotel in St. Marys for 18-year-olds?

Cobblestone Inn & Suites - St Marys had the lowest observed starting price, from $266 per night when we checked in November 2026. Prices change with dates: select your dates to see the current price on Hotels.com.