AC Hotel Chicago Downtown — Event Spaces & Capacities
630 N Rush St, Chicago, IL 60611
AC Hotel Chicago Downtown gives Chicago event planners 5 spaces to work with across 4,467 sq ft415 m² of function space. The largest room, Millennium Park, hosts up to 80 guests. Review the layouts and seating capacities below, then test your setup in 3D — free.
Floor plans
Detailed floor plans for AC Hotel Chicago Downtown are published on the venue’s official site.
Work at AC Hotel Chicago Downtown? to publish your official floor plans and 360° tours here — free.
Room capacities & dimensions
| Space | Sq ft / m² | Ceiling | Banquet | Theater | Classroom | Reception | Conference | U-Shape |
|---|---|---|---|---|---|---|---|---|
| AC BoardroomPlan this room → | 319 sq ft30 m² | 8 ft2.4 m | — | — | — | — | 10 | — |
| Grant ParkPlan this room → | 425 sq ft39 m² | 8 ft2.4 m | — | 24 | 18 | — | 18 | 15 |
| Lincoln ParkPlan this room → | 425 sq ft39 m² | 8 ft2.4 m | — | 24 | 18 | — | 15 | 15 |
| Millennium ParkPlan this room → | 1,600 sq ft149 m² | 9 ft2.7 m | 70 | 80 | 60 | 80 | 30 | 24 |
| Outdoor TerracePlan this room → | 1,698 sq ft158 m² | — | — | — | — | 65 | — | — |
Figures from published venue data; blank cells mean the venue hasn’t published that number. Verify final counts with the venue.