How many event spaces does AC Hotel Chicago Downtown have?

AC Hotel Chicago Downtown has 5 event spaces totaling 4,467 sq ft.

What is the largest event space at AC Hotel Chicago Downtown?

The largest event space at AC Hotel Chicago Downtown is Millennium Park, which holds up to 80 guests across 1,600 sq ft.

What is the banquet capacity of Millennium Park at AC Hotel Chicago Downtown?

Millennium Park seats up to 70 guests in a banquet layout.

How many people fit in Millennium Park theater-style?

Millennium Park holds up to 80 guests in a theater setup.

What are the dimensions of Millennium Park?

Millennium Park measures 32 × 50 ft (1,600 sq ft) with 9 ft ceilings.

AC Hotel Chicago Downtown — Event Spaces, Floor Plans & 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.

Across its 5 spaces, AC Hotel Chicago Downtown handles theater-style sessions for up to 80, seated banquets for 70 and standing receptions for 80. 3 smaller rooms suit breakouts and board meetings. Exact figures for every room and setup style are in the chart below.

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Floor plans

Detailed floor plans for AC Hotel Chicago Downtown are published on the venue’s official site.

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Room capacities & dimensions

Room capacities and dimensions for AC Hotel Chicago Downtown
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.

Frequently asked questions

How many event spaces does AC Hotel Chicago Downtown have?: AC Hotel Chicago Downtown has 5 event spaces totaling 4,467 sq ft.
What is the largest event space at AC Hotel Chicago Downtown?: The largest event space at AC Hotel Chicago Downtown is Millennium Park, which holds up to 80 guests across 1,600 sq ft.
What is the banquet capacity of Millennium Park at AC Hotel Chicago Downtown?: Millennium Park seats up to 70 guests in a banquet layout.
How many people fit in Millennium Park theater-style?: Millennium Park holds up to 80 guests in a theater setup.
What are the dimensions of Millennium Park?: Millennium Park measures 32 × 50 ft (1,600 sq ft) with 9 ft ceilings.

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AC Hotel Chicago Downtown — Event Spaces, Floor Plans & Capacities

Floor plans

Room capacities & dimensions

Frequently asked questions

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