Aloft by Marriott Chicago Mag Mile — Event Spaces, Floor Plans & Capacities

243 E Ontario St, Chicago, IL 60611

Aloft by Marriott Chicago Mag Mile gives Chicago event planners 9 spaces to work with across 6,984 sq ft649 of function space. The largest room, Warhol, hosts up to 120 guests. Review the layouts and seating capacities below, then test your setup in 3D — free.

Across its 9 spaces, Aloft by Marriott Chicago Mag Mile handles theater-style sessions for up to 115, seated banquets for 80 and standing receptions for 120. 2 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 Aloft by Marriott Chicago Mag Mile are published on the venue’s official site.

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Room capacities & dimensions

Room capacities and dimensions for Aloft by Marriott Chicago Mag Mile
SpaceSq ft / m²CeilingBanquetTheaterClassroomReceptionConferenceU-Shape
EscherPlan this room →775 sq ft7211 ft3.4 m486436602424
LichtensteinPlan this room →465 sq ft4311 ft3.4 m163218251212
MarckPlan this room →983 sq ft9111 ft3.4 m648064803224
MondrianPlan this room →614 sq ft5711 ft3.4 m323524451616
WarholPlan this room →1,375 sq ft12811 ft3.4 m80115721204848
Warhol 1Plan this room →682 sq ft6311 ft3.4 m405040602024
Warhol 2Plan this room →693 sq ft6411 ft3.4 m405036602024
Additional spaces (dimensions only) (2)
Additional spaces with published dimensions only at Aloft by Marriott Chicago Mag Mile
SpaceSq ft / m²Ceiling
Pre-function (19)Plan this room →409 sq ft3811 ft3.4 m
Pre-function (2)Plan this room →988 sq ft9211 ft3.4 m

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 Aloft by Marriott Chicago Mag Mile have?
Aloft by Marriott Chicago Mag Mile has 9 event spaces totaling 6,984 sq ft.
What is the largest event space at Aloft by Marriott Chicago Mag Mile?
The largest event space at Aloft by Marriott Chicago Mag Mile is Warhol, which holds up to 120 guests across 1,375 sq ft.
What is the banquet capacity of Warhol at Aloft by Marriott Chicago Mag Mile?
Warhol seats up to 80 guests in a banquet layout.
How many people fit in Warhol theater-style?
Warhol holds up to 115 guests in a theater setup.
What are the dimensions of Warhol?
Warhol measures 22.5 × 61.1 ft (1,375 sq ft) with 11 ft ceilings.

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