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
ChainMarriott Bonvoy
BrandMarriott Hotels
Built1967
Renovated2020
Total meeting space34,800 sq. ft.
Guest Rooms470
Venue typeHotel
Industry Ratings
Northstar
AAA
Amenities
Room features and guest services
- Calls (toll-free)
- Concierge services
- Laundry service
- Luggage storage
- Room service
- Voicemail box
Facilities
- Free airport shuttle
- Onsite catering
- Onsite gift shop
- Onsite restaurant
- Onsite security
- Rental car service
- Space (private)
Business services
- AV capabilities
- Business center
- Video conference
Recreational activities
- Health club
- Indoor pool
- Outdoor pool
- Spa or salon
- Whirlpool
Transportation
- Airport shuttle
- Bus
- Taxi
- Train
Equipment
- Dance floor
- Loading dock
- Piano
- Portable walls
- Staging area
AV capabilities
- Onsite AV staff
Room features and guest services
- Calls (toll-free)
- Concierge services
- Laundry service
- Luggage storage
- Room service
- Voicemail box
Facilities
- Free airport shuttle
- Onsite catering
- Onsite gift shop
- Onsite restaurant
- Onsite security
- Rental car service
- Space (private)
Business services
- AV capabilities
- Business center
- Video conference
Need dates
Priority windows that venues prefer for hosting events
Jan 1, 2026 - Apr 2, 2026
May 21, 2026 - May 29, 2026
Jun 28, 2026 - Jul 9, 2026
Aug 9, 2026 - Sep 11, 2026
Seasonal Availability
Do you want to know if your event is during the high or low season? Check the season availability for this hotel.Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
High season
Apr 01 - Oct 31
Shoulder season
Low season
Nov 01 - Dec 31Jan 01 - Mar 31
Meeting rooms
Total meeting space
34,800 sq. ft.
Largest room
9,633 sq. ft.
Space (private)
Available
Meeting rooms
22
Second largest room
9,288 sq. ft.
Exhibit space
9,000 sq. ft.
Meeting rooms
Total meeting space
34,800 sq. ft.
Largest room
9,633 sq. ft.
Space (private)
Available
Meeting rooms
22
Second largest room
9,288 sq. ft.
Exhibit space
9,000 sq. ft.
Floor Plans
Download floor plans for this venue.
Explore Meeting Rooms
Find the perfect room with setup charts and interactive 3D 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
Total guest rooms
470
Single (1 bed)
287
Double (2 beds)
173
Suites
10
Tax rate
17.4%
Occupancy rate
17.4%
Total guest rooms
470
Single (1 bed)
287
Double (2 beds)
173
Suites
10
Tax rate
17.4%
Occupancy rate
17.4%
Location
Getting Here
Distance from airport
2.8 mi
Distance from airport 2.8 mi
Parking in the area
Parking in the area
Paid parking
( $36.00/day )
Bus parking
Local Attractions
Parkway Bank Park Entertainment District/Rosemont
Park
Sizable complex with eateries & entertainment, including a comedy club, cinema & bowling alley.
5501 Park Pl
Rosemont, IL, US 60018
Visit website
Donald E. Stephens Convention Center/Rosemont
Convention center
2 mi
Donald E. Stevens Convention Center is located 2 miles west of the hotel. Check calendar for updated event schedule.
5555 N. River Rd.
Rosemont, IL, US 60018
Visit website
CTA Blue Line Stop to Downtown Chicago
Business district
0 mi
CTA Blue Line stop is located next to hotel with direct access to O'Hare airport and downtown Chicago.
5800 N. Cumberland Avenue
Chicago, IL, US 60631
Visit website
Brookfield Zoo
Recreation
12 mi
Local Zoo with numerous animal and entertainment attractions.
8400 31st Street
Brookfield, IL, US 60513
Visit website
Soldier Field
Recreation
20 mi
Home of Chicago Bears and many concerts. Check website for current calendar of events.
1410 S Museum Campus
Chicago, IL, US 60605
Visit website
Nearby vendors
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multi-city
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Whether you are celebrating a special occasion (birthday party, bachelorette party, bachelor party, Happy Hour or corporate event) or want a fun night out, Howl at the Moon is the perfect spot for you. Check out your closest Howl at the Moon location for upcoming events and specials.
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Avital Food & Drink Experiences
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You need a more interesting and memorable experience for your clients, coworkers, family, or friends - we design interactive food & drink experiences to wow your guests!
Avital Food & Drink Experiences has been designing and producing cutting edge dining experiences and foodie activations for 12 years and counting, with over 100,000 happy guests.
From food tours, to interactive meals, to conference activations and even virtual events, we've got you covered. If it needs food or drink, and it needs to be memorable and unique, come to Avital Experiences.
Choose from our library of options, or ask us about custom built experiences to suit your event.
Food & Drink is the Ultimate Connector. We can't wait to strengthen your human connections via our interactive food & drink experiences.
Activity
Restaurant/Bar
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Promoted
DRSMusic, Inc.
multi-city
DRS Music, Inc is a complete, all-inclusive live music company dedicated to the specific needs of each client. We provide all the music for your celebration.
Our 8, 11, or even 14-Piece Orchestra will pack your dance floor, and our small ensembles will set the perfect mood for your event.
Our packages include:
1. Designated MC to handle all announcements/introductions
2. Free Song Requests
3. DJ for band breaks
4. State of the art sound system
5. Stage lighting
6. Free, personalized gift for your guests to sign
7. Customizable schedule template
8. Complete peace of mind!
Our clients include: Google, Microsoft, Samsung, Salesforce, Chrysler, All State, Yale, Northwestern, McDonalds, Kraft, Mars, Shell, Chicago Bears, Chicago Bulls
First Band Voted into the Knot Hall of Fame
Best of the Knot and Best of Wedding Wire for 17+ years
Most Charitable Wedding Vendor in the Nation
Hired Entertainment
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Museum of Ice Cream
multi-city
The Museum of Ice Cream is where creativity, connection, and imagination come together to create unforgettable corporate/convention/meeting experiences. Designed as a vibrant, interactive wonderland, MOIC transforms meetings, receptions, and team celebrations into memorable moments your attendees will rave about.
From immersive installations to our iconic Sprinkle Pool, every space is crafted to inspire engagement, spark joy, and encourage genuine interaction. Your guests can enjoy playful tasting experiences, curated photo moments, and a seamless flow through colorful, conversation-starting environments.
Whether you’re planning a networking event, client appreciation experience, or full museum buyout, MOIC blends professional execution with a uniquely delightful atmosphere, making your event not just successful, but sweetly unforgettable.
Activity
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TeamWorx
multi-city
TeamWorx is based just outside silicon valley California and specializes in team building events for tech companies and tech employees, engineering companies and engineers, and groups looking for robotic themed events. Our signature Robot Team Building events are Robot Build and Battle 1, Robot Build and Battle 2, and our newest addition, Robot Racing! We deliver events for large groups anywhere in the United States: Robot Build and Battle 1 up to 300 people, Robot Build and Battle 2 up to 500 people, Robot Racing up to 200 people, and combine 1 & 2 for up to 800 people!
Activity
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Hermes Worldwide, Inc.
multi-city
Hermes provides private luxury ground transportation for luxury hotel guests, weddings, team sports, youth and church groups, concerts, ski resorts, conventions, and meetings and events.
Transportation
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Dav El | BostonCoach
multi-city
Dav El merged with BostonCoach in 2013 to create the largest company in the high-end chauffeured car industry. BostonCoach was founded in 1985 when Ned Johnson from Fidelity Investments wanted to create an improved transportation service for his executives. Today, Dav El | BostonCoach is the largest privately owned chauffeured transportation company in the world and maintains its highest quality and safety standards through innovation, dedication to the customer, and personal, professional service. Dav El | BostonCoach offers the most comprehensive executive ground transportation services available, including deluxe limousines, luxury sedans, executive vans and buses, and a professional and knowledgeable staff of trained chauffeurs, reservations agents, and travel managers to meet every request and exceed every expectation. Serving business travelers for over three decades, Dav El | BostonCoach currently operates in over 550 metropolitan markets, across 6 continents, with a fleet of more than 25,000 vehicles.
Transportation
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Brand Ambassadors
multi-city
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Hired Entertainment
Preferred staff
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Bodega
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Restaurant/Bar
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Merck Artist Agency
multi-city
At Merck Artist Agency, we specialize in representing a carefully curated roster of exceptional musicians, bands, speakers, and comedians. Based in Friendswood, Texas, our agency works with talent from across the country, offering clients a dynamic, diverse selection of entertainment options for events of all kinds.
Our music lineup features both original artists and high-energy cover bands, with particular strength in country music and Americana. On the speaking side, we represent a select group of inspirational speakers covering topics such as personal wellness, the mind-body connection, workplace safety, and women in leadership. Every performer in our agency is hand-selected for their talent, professionalism, and ability to deliver unforgettable experiences.
At Merck Artist Agency, we take pride not only in the quality of the artists we represent but also in the personal attention and outstanding customer service we provide. Whether you’re booking live music, an engaging keynote, or a crowd-pleasing comedian, we ensure a seamless, tailored experience from start to finish.
Hired Entertainment
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Looking for more vendor options?
Browse additional vendors for AV, entertainment, transportation, and other event needs.
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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
Please provide comments or a link to any publicly communicated Marriott Chicago O’Hare/Rosemont's sustainability or social impact goals/strategy.
Please visit Marriott.com/Serve360 for Marriott International's sustainability & social impact strategy and 2025 goals information.
Does Marriott Chicago O’Hare/Rosemont have a strategy that focuses on the elimination and diversion of waste (i.e. plastics, papers, cardboard, etc.)? If yes, please elaborate on your strategy of elimination and diversion of waste.
Yes, Paper,Newspaper,Cardboard,Aluminum,Other Metals,Plastic,Glass,Cooking Oil
Diversity and Inclusion
For US hotels only, is Marriott Chicago O’Hare/Rosemont and/or parent company certified as a 51% diverse owned business enterprise (BE)? If yes, please indicate which one of the following you are certified as:
No response.
If applicable, could you please provide a link to Marriott Chicago O’Hare/Rosemont's public report on their commitments and initiatives related to diversity, equity, and inclusion?
https://www.marriott.com/diversity/diversity-and-inclusion.mi
Health and Safety
Were practices at Marriott Chicago O’Hare/Rosemont developed based on health service recommendations from public governmental entities or private organizations? If Yes, please list which organizations were used to develop these practices.
Yes, Marriott cares greatly about every guest's experience and takes hygiene and sanitation very seriously. Marriott has established strict standards of cleanliness for all of its hotels that either meet or exceed public health department regulations.
Does Marriott Chicago O’Hare/Rosemont clean and sanitize public areas and publicly accessible facilities (i.e. meeting rooms, restaurants, elevator banks, etc.)? If yes, describe any new measures that are taken.
Yes, Marriott cares greatly about every guest's experience and takes hygiene and sanitation very seriously. Marriott has established strict standards of cleanliness for all of its hotels that either meet or exceed public health department regulations.
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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