Weddings, proposals and ceremonies at Marriott Marquis Chicago

Marriott Marquis Chicago offers multiple wedding spaces from large ballrooms to a skyline-level venue on 33 with floor-to-ceiling windows, plus on-site catering options and nearly 90,000 sq ft of total event space to handle ceremonies and receptions of very different sizes. The hotel is connected to McCormick Place and Wintrust Arena by skybridge, convenient for guests arriving for conventions or nearby events.
In this guide
Venues and capacities
Marriott Marquis Chicago has several dedicated wedding and event spaces that cover intimate ceremonies up to large-scale receptions. The largest configured spaces are the Great Lakes Ballroom and the Grand Horizon Ballroom; Level 33 is the high-floor option with panoramic views of the city and Lake Michigan.
Ballrooms have flexible layouts and floor-to-ceiling windows that put the skyline and lake in view; Level 33 is on the 33rd floor and is described as suitable for smaller seated dinners and cocktail receptions.
If you need a quick reference:
bullets':['Great Lakes Ballroom — large ballroom that can be sectioned; standing capacity cited up to 2,100 and seated capacity up to 1,610 (configurations vary).','Grand Horizon Ballroom — similar large-capacity ballroom on Floor 4; banquet and theater-style capacities listed in venue materials.','Level 33 — rooftop/33rd-floor venue with 180° city and lake views; listed capacity up to 150 guests.'],
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Ceremony and reception catering
The hotel provides in-house catering through its event services and uses on-site food outlets for plated or buffet options; Level 33 and the ballrooms work with the hotel’s catering team and in-house beverage suppliers where specified. Woven and Bound, 2121 Pantry and the Showroom Food Hall are the on-site dining outlets that can be part of overall hospitality plans.
Menus can include vegetarian and vegan options; the property also offers 24-hour in-room dining (A La Carte) for guests. Specific plated menus, pricing, bar packages, and corkage or outside-vendor rules are handled by the hotel event staff and should be requested during the planning process.
bullets:['Ask the events or catering manager for sample menus and dietary accommodations.','Confirm whether your reception requires exclusive in-house catering or if outside caterers are permitted for specialty items.','Request the hotel’s beverage policy and any required service charges when you confirm a package.'],
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Guest rooms, room blocks and suites
The hotel has 1,205 rooms across multiple types and floors; room types you can request by name include Room, Room, City View, Room, Lake View, Classic Suite and Executive Suite, plus accessible Room variations. Ask the events team to help secure a room block and to confirm availability of specific room types for your wedding dates.
Suites (Classic Suite and Executive Suite) and lake- or city-view rooms give additional space for getting-ready photos and private pre-ceremony prep. The hotel offers 24-hour room service and in-room dining if you want food delivered to suites on the wedding morning.
bullets:['Provide the hotel with a rooming list and arrival/departure dates early to guarantee your block.','Ask about early check-in or late check-out for getting-ready time; standard check-in is 4:00 PM and check-out is 12:00 PM (noon).','Confirm accessibility needs and request specific accessible rooms such as Room (Mobility/, Tub) if required.'],
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Logistics, neighborhood and transportation
Marriott Marquis Chicago is at 2121 South Prairie Avenue in the South Loop and is directly connected via skybridge to McCormick Place and Wintrust Arena; that makes move-in for vendors and guest access to convention programming straightforward. The hotel lists nearby attractions such as Soldier Field, the Lakefront Trail and museums like the Field Museum and Shedd Aquarium.
There is no airport shuttle; the hotel lists nearby train and public-transport options, including the Cermak-McCormick Place Green Line stop (about a 10-minute walk) and the Metra station near McCormick Place. Parking options include on-site self parking and valet parking; accessible and van-accessible spaces are available.
bullets:['Address for invites and vendors: 2121 South Prairie Avenue, Chicago, IL 60616.','No hotel airport shuttle — arrange taxis, rideshares or private transport for guests.','Direct skybridge access to McCormick Place can simplify guest movement between the hotel and convention center.'],
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Practical policies and planning notes
Key policies to confirm when you sign a contract: minimum check-in age (the property lists 21), whether pets are permitted (the hotel’s policy is 'Pets Not Allowed' except service animals), smoking policy (100% smoke-free) and whether the hotel requires a credit/debit card or deposit at check-in. The property does not have an on-site pool or a named spa facility.
Confirm details about audio-visual support, room move-ins for vendors, and any hotel-curated vendor lists. The property lists nearly 90,000 sq ft of event space across roughly 63 meeting rooms; request a current event packet and floor plans with your contract so capacities and layouts match your needs.
bullets:['Standard hotel check-in time is 4:00 PM and check-out is 12:00 PM (noon).','Pets are not allowed except service animals; verify any exceptions in writing.','Request the hotel’s current event packet, catering menus and AV pricing before signing.'],
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