Residence Inn by Marriott O'Fallon

8.4/10 from 477 reviews

Amenities

Fitness facilities
Laundry facilities
Free breakfast
Free use of nearby fitness center
Swimming pool
Internet access - wireless
Free WiFi
Free self parking
24-hour fitness facilities

See all amenities

Where you'll be

Choose your room

Check in

Jun 25th 2026

Check out

Jun 26th 2026

Travelers

2 guests

Studio, 1 King Bed
399 sq ft
Fitness facilities
Laundry facilities
Free breakfast
Free use of nearby fitness center
Swimming pool
Internet access - wireless
Free WiFi
Free self parking
24-hour fitness facilities
Free continental breakfast
Free buffet breakfast
Sleeps 4
1 King Bed
More details
Not available
Suite, 1 Bedroom
550 sq ft
Fitness facilities
Laundry facilities
Free breakfast
Free use of nearby fitness center
Swimming pool
Internet access - wireless
Free WiFi
Free self parking
24-hour fitness facilities
Free continental breakfast
Free buffet breakfast
Sleeps 4
1 King Bed
More details
Not available
Deluxe Suite, 2 Bedrooms
682 sq ft
Fitness facilities
Laundry facilities
Free breakfast
Free use of nearby fitness center
Swimming pool
Internet access - wireless
Free WiFi
Free self parking
24-hour fitness facilities
Free continental breakfast
Free buffet breakfast
Sleeps 6
2 Double Beds
More details
Not available
Executive Suite, 1 Bedroom, Fireplace
550 sq ft
Fitness facilities
Laundry facilities
Free breakfast
Free use of nearby fitness center
Swimming pool
Internet access - wireless
Free WiFi
Free self parking
24-hour fitness facilities
Free continental breakfast
Free buffet breakfast
Sleeps 4
1 King Bed
More details
Not available
Suite, 1 Bedroom (Mobility Accessible, Tub)
550 sq ft
Fitness facilities
Laundry facilities
Free breakfast
Free use of nearby fitness center
Swimming pool
Internet access - wireless
Free WiFi
Free self parking
24-hour fitness facilities
Free continental breakfast
Free buffet breakfast
Sleeps 4
1 King Bed and 1 Double Sofa Bed
More details
Not available
Suite, 1 Bedroom (Hearing Accessible)
550 sq ft
Fitness facilities
Laundry facilities
Free breakfast
Free use of nearby fitness center
Swimming pool
Internet access - wireless
Free WiFi
Free self parking
24-hour fitness facilities
Free continental breakfast
Free buffet breakfast
Sleeps 4
1 King Bed and 1 Double Sofa Bed
More details
Not available
Studio, 1 King Bed with Sofa bed (Mobility Accessible, Tub)
399 sq ft
Fitness facilities
Laundry facilities
Free breakfast
Free use of nearby fitness center
Swimming pool
Internet access - wireless
Free WiFi
Free self parking
24-hour fitness facilities
Free continental breakfast
Free buffet breakfast
Sleeps 4
1 King Bed and 1 Double Sofa Bed
More details
Not available
Studio, 1 King Bed with Sofa bed (Hearing Accessible)
399 sq ft
Fitness facilities
Laundry facilities
Free breakfast
Free use of nearby fitness center
Swimming pool
Internet access - wireless
Free WiFi
Free self parking
24-hour fitness facilities
Free continental breakfast
Free buffet breakfast
Sleeps 4
1 King Bed and 1 Double Sofa Bed
More details
Not available
Deluxe Suite, 2 Bedrooms (Hearing Accessible)
682 sq ft
Fitness facilities
Laundry facilities
Free breakfast
Free use of nearby fitness center
Swimming pool
Internet access - wireless
Free WiFi
Free self parking
24-hour fitness facilities
Free continental breakfast
Free buffet breakfast
Sleeps 6
2 Double Beds
More details
Not available
Deluxe Suite, 2 Bedrooms (Mobility Accessible, Roll-In Shower)
682 sq ft
Fitness facilities
Laundry facilities
Free breakfast
Free use of nearby fitness center
Swimming pool
Internet access - wireless
Free WiFi
Free self parking
24-hour fitness facilities
Free continental breakfast
Free buffet breakfast
Sleeps 6
2 Double Beds
More details
Not available

About this property

Residence Inn by Marriott O'Fallon

When you stay at Residence Inn by Marriott O'Fallon in O'Fallon, you'll be in a shopping district, within a 5-minute drive of Golf Headquarters and Missouri Bluffs Golf Course. This hotel is 14.3 mi (22.9 km) from Ameristar Casino St. Charles and 15.6 mi (25.2 km) from Mississippi River.

Languages

English, Spanish

Policies

Check-in

Check-in between 3:00 PM - midnight

Minimum check-in age: 21

Check-out

Check-out before 12:00 PM

Special check-in instructions

Front desk staff will greet guests on arrival at the property. Information provided by the property may be translated using automated translation tools.

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
This property accepts credit cards and debit cards; cash is not accepted
This property affirms that it follows the cleaning and disinfection practices of Commitment to Clean (Marriott)

Property payment types

American Express, Diners Club, Discover, JCB International, Mastercard, Visa, Cash not accepted, Debit cards, UnionPay

Important information

Optional extras

Pet fee: USD 100 per accommodation, per stay
Service animals are exempt from fees

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

You need to know

Pool access available from 8:00 AM to 10:00 AM.
Children 17 years old and younger stay free when occupying the parent or guardian's room, using existing bedding.
A car is recommended for transportation to and from this property.
This property welcomes guests of all sexual orientations and gender identities (LGBTQ+ friendly).

Other information

General

No rollaway/extra beds available
Car recommended
LGBTQIA+ friendly
Essential workers only - NO
Property follows a brand or regulatory agency's sanitization guidelines Commitment to Clean (Marriott)
Professional property host/manager

Pets

Pets allowed
Service animals are allowed
Service animals are exempt from fees/restrictions