About us
Transform the way you meet at Chicago Marriott O’Hare where an amazing $40M renovation has made it the perfect landing place for you and your guests. Inspire an unparalleled performance in our completely modernized meeting spaces. 34,800 square feet of flexible event space that can cater to groups of all shapes and sizes. Invite up to 650 guests to the beautiful and inviting atmosphere of our brand-new 6,400 square-foot O’Hare Ballroom featuring 14-foot ceilings, natural light and state-of-the-art audio visual capabilities. Our hotel also features a 9,288 square foot Grand Ballroom, divisible into seven sections and a 9,633 square foot Chicago Ballroom also divisible into seven sections. Our hotel features three distinctive ballrooms all located on the same level providing meeting attendees ideal flexibility and meeting flow. And with the help of our award-winning banquet and catering team, you can plan a unique menu to suit even the most particular tastes.
Venue Details
Industry Ratings
Amenities
- Calls (toll-free)
- Concierge services
- Laundry service
- Luggage storage
- Room service
- Voicemail box
- Free airport shuttle
- Onsite catering
- Onsite gift shop
- Onsite restaurant
- Onsite security
- Rental car service
- Space (private)
- AV capabilities
- Business center
- Video conference
- Health club
- Indoor pool
- Outdoor pool
- Spa or salon
- Whirlpool
- Airport shuttle
- Bus
- Taxi
- Train
- Dance floor
- Loading dock
- Piano
- Portable walls
- Staging area
- Onsite AV staff
- Calls (toll-free)
- Concierge services
- Laundry service
- Luggage storage
- Room service
- Voicemail box
- Free airport shuttle
- Onsite catering
- Onsite gift shop
- Onsite restaurant
- Onsite security
- Rental car service
- Space (private)
- AV capabilities
- Business center
- Video conference
Need dates
Priority windows that venues prefer for hosting events
Seasonal Availability
Do you want to know if your event is during the high or low season? Check the season availability for this hotel.Meeting rooms
Meeting rooms
Floor Plans
Meeting space
Name | Room size | Ceiling height | Maximum capacity | U-Shape | Banquet rounds | Cocktail rounds | Theater | Classroom | Boardroom | Crescent rounds (Cabaret) |
|---|---|---|---|---|---|---|---|---|---|---|
9,288 sq. ft. 72 x 129 sq. ft. | 12 ft. | - | - | - | - | - | - | - | - | |
9,288 sq. ft. 72 x 129 sq. ft. | 18 ft. | - | - | - | - | - | - | - | - | |
2,343 sq. ft. 72 x 33 sq. ft. | 12 ft. | - | - | - | - | - | - | - | - | |
2,343 sq. ft. 72 x 33 sq. ft. | 12 ft. | - | - | - | - | - | - | - | - | |
6,879 sq. ft. 96 x 72 sq. ft. | 18 ft. | - | - | - | - | - | - | - | - | |
4,536 sq. ft. 72 x 63 sq. ft. | 18 ft. | - | - | - | - | - | - | - | - | |
726 sq. ft. 22 x 33 sq. ft. | 12 ft. | 50 | 21 | 50 | 50 | - | 40 | 27 | 25 | |
891 sq. ft. 27 x 33 sq. ft. | 12 ft. | - | - | - | - | - | - | - | - | |
6,391 sq. ft. 77 x 83 sq. ft. | 14 ft. | - | - | - | - | - | - | - | - |
Guest rooms
Location
Getting Here
Local Attractions
Nearby vendors
Affiliated Organizations (1)
Additional Information
Cancellation Policy
48 Hours
Additional details
Hotel has 14 private boardrooms located on the 3rd floor.
Weblinks
Marriott Chicago O’Hare/Rosemont Frequently Asked Questions
Explore frequently asked questions from the Marriott Chicago O’Hare/Rosemont regarding Health and Safety, Sustainability, and Diversity and Inclusion
Sustainable Practices
Diversity and Inclusion
Health and Safety
Please explain, if applicable, the carbon offsetting options you offer to corporations.
The corporate sustainability team can help to offset customers' carbon footprints by contacting Sustainability@marriott.com.
Please provide, if applicable, an e-mail address for a contact who can address any follow up questions relating to sustainability and social impact goals and initiatives.
sustainability@marriott.com
Has your hotel taken steps to reduce single-use plastics, such as removing plastic straws (except upon request for guests with disabilities), stirrers and cotton buds? If yes, please provide detail as to the steps you have taken to reduce single use plastics?
Yes, Eliminated straws and stirrers; implemented large format bath amenities
Does your hotel generate (onsite) or purchase (offsite) renewable energy (beyond your utility's standard offerings)? If yes, please describe your practices for generating or purchasing renewable energy.
Does your hotel engage in activities to protect & restore the natural environment in which it is located (i.e. trees planted, coral reef restored, etc.)?
Yes
Will your hotel be imposing any additional fees for cleaning services? If yes, please specify those fees.
No
Are specific cleaning/disinfection routines in place for pillows, duvets and their covers, headboard, bathrobe etc.? If yes, please describe.
Yes, Hotels following MI Cleaning Protocals
Please include a link to your public report on community impact if applicable.
Please visit Marriott.com/Serve360 for the latest progress on Marriott International's community engagement efforts.
Please provide any other comments you wish to make regarding your efforts/initiatives to obtain certification in these programs.
https://www.marriott.com/diversity/diversity-and-inclusion.mi
Please provide, if applicable, an e-mail address for a contact who can address any follow up questions relating to diversity, equity, and inclusion.
WEGD@marriott.com
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