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Hotel

Mainstay Inn

Star ratingStar ratingStar ratingStar ratingStar rating
7.4/10 from 876 reviews
Amenities

  • Free breakfast

  • Free WiFi

  • Free breakfast to go

See all amenities
Where you'll be
Choose your room

Check in

Aug 19th 2025

Check out

Aug 20th 2025

Travelers

1 guest
  • Standard Room, 1 Queen Bed, Non Smoking (Queen Room)

    • Free breakfast

    • Free WiFi

    • Free breakfast to go

    • Sleeps 2

    • 1 Queen Bed

    More details

    Not available

  • Standard Room, 2 Double Beds, Non Smoking (Double)

    • Free breakfast

    • Free WiFi

    • Free breakfast to go

    • Sleeps 4

    • 2 Double Beds

    More details

    Not available

  • Deluxe Room, 1 King Bed

    • Free breakfast

    • Free WiFi

    • Free breakfast to go

    • Sleeps 2

    • 1 King Bed

    More details

    Not available

About this property
Mainstay Inn

Located in Phoenixville, Mainstay Inn is within a 10-minute drive of Valley Forge National Historic Park and The Greater Philadelphia Expo Center at Oaks. This hotel is 8.7 mi (14.1 km) from Valley Forge Casino and 10.4 mi (16.7 km) from King of Prussia Mall.

Languages

English

Policies
Check-in

Check-in between 3:00 PM - 11:00 PM

Minimum check-in age: 21

Check-out

Check-out before 11:00 AM

Special check-in instructions

The front desk is open daily from 7:00 AM - 11:00 PM. The front desk is staffed during limited hours.

Other instructions
  • Extra-person charges may apply and vary depending on property policy
  • Government-issued photo identification and a credit card, debit card, or cash deposit may be required at check-in for incidental charges
  • Special requests are subject to availability upon check-in and may incur additional charges; special requests cannot be guaranteed
  • The name on the credit card used at check-in to pay for incidentals must be the primary name on the guestroom reservation
  • This property accepts credit cards and cash
  • Onsite parties or group events are strictly prohibited
  • Safety features at this property include a fire extinguisher and a smoke detector
Property payment types

American Express, Discover, Mastercard, Visa, Cash, Debit cards not accepted

Important information
Optional extras
  • Pet fee: USD 55.33 per pet (varies based on length of stay)
  • Service animals are exempt from fees
  • Early check-in fee: USD 25.00 (subject to availability)
  • Late check-out fee: USD 25.00 (subject to availability)

The above list may not be comprehensive. Fees and deposits may not include tax and are subject to change.

You need to know
  • Guests under 21 years old are not permitted at this adults-only property.
  • Only registered guests are allowed in the guestrooms.
  • Guests can arrange to bring pets by contacting the property directly, using the contact information on the booking confirmation (surcharges apply and can be found in the Fees section).
  • Contactless check-out is available.
  • This property welcomes guests of all sexual orientations and gender identities (LGBTQ+ friendly).
Other information
General
  • No rollaway/extra beds available
  • No cribs (infant beds) available
  • No elevators
  • Minimum guest age is 21
  • Caters to adults only
  • Events/parties not allowed
  • LGBTQIA+ friendly
  • Contactless check-out is available
  • Professional property host/manager
Pets
  • Pets allowed
  • Only dogs are allowed
  • Maximum number of pets per room 1
  • Service animals are allowed
  • Service animals are exempt from fees/restrictions
  • Pets cannot be left unattended