Residence Inn St. Louis O'Fallon


Start Planning Your Meetings or Events Here

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Event Rooms

594 SQ FT

Total Event Space


Capacity Largest Space


Breakout Rooms
O'Fallon Meeting Room

Meeting and Events

Plenty of space for entertaining or meeting with colleagues.

On-site meeting room ideal for small groups of 20-30 people
Need an office? Our business center is fully equipped and ready to go.
Complimentary transportation to area businesses and to Spirit of St. Louis Airport
Located within minutes of Citi Mortgage, Mastercard International and Missouri Research Park.
With I-64/Hwy 40 at our doorstep, commuting is a breeze!

Weddings and Occasions

Ideal accommodations for out-of-town wedding guests

Private room perfect for small gatherings or team meetings
Your bridal party will find our private room perfect for getting ready for the walk down the aisle.
Gather the team together for a pep talk and to "fuel up" for the big game.
Want to get off site for your board meeting? Our meeting space is perfect!
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Rewarding Travel from start to Finish
Earn up to 60,000 points per qualified event with Marriott Bonvoy Events. Elite members earn more with bonus points.

Please note: all room sizes are approximate.

Frequently Asked Questions