# Marriott Marquis Chicago Floor Plans, Exhibit Hall Specs & Loading Docks

- **Canonical URL:** https://conventions.com/venues/marriott-marquis-chicago-venue/floor-plan
- **Parent Venue Hub:** https://conventions.com/venues/marriott-marquis-chicago-venue
- **VenueScore™:** 8.6/10 (Chicago Union Jurisdiction Convention Campus)
- **Address:** 2121 S Prairie Ave, Chicago, IL 60616, USA
- **Labor Jurisdiction:** Union Jurisdiction

Inspect hall-by-hall square footage, theater/banquet setup capacities, ceiling rigging clearances (26' 6"), slab floor loads, Edlen/utility floor-box grids, High-capacity marshaled freight docks & drive-in doors, and Union Jurisdiction exhibitor self-install rules at Marriott Marquis Chicago (Connected to McCormick Place).

## Hall-by-Hall Capacities & Structural Specs
| Hall / Ballroom | Net Sq Ft | Clear Height | Column Grid | Floor Load | Max 10x10s | Theater / Banquet |
| --- | --- | --- | --- | --- | --- | --- |
| Marriott Marquis Chicago Primary Hall, Bowl & Main Event Space | 25,000 sq. ft. pillarless Great Lakes Ballroom (plus 25k Grand Horizon) | 26' 6" | Pillarless / unobstructed keynote & event sightlines | 200–350 lbs/sq. ft. | ~357 booths / sponsor activations | Up to 5,000 Theater/Reception (3,000 Seated) |
| Marriott Marquis Chicago Breakout Suites, VIP Lounges & Pre-Function Foyers | 93,000 sq. ft. | 26' 6" | Configurable breakout, hospitality & sponsor zones | 150–250 lbs/sq. ft. | Registration counters & tabletop sponsor demos | 46 breakout suites (1,205 guest rooms) |