Aloft by Marriott Chicago Downtown River North — Event Spaces, Floor Plans & Capacities

515 N Clark St, Chicago, IL 60654

Aloft by Marriott Chicago Downtown River North gives Chicago event planners 9 spaces to work with across 8,123 sq ft755 of function space. The largest room, River Room, hosts up to 200 guests. Review the layouts and seating capacities below, then test your setup in 3D — free.

Across its 9 spaces, Aloft by Marriott Chicago Downtown River North handles theater-style sessions for up to 200 and seated banquets for 170. 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 Aloft by Marriott Chicago Downtown River North are published on the venue’s official site.

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Room capacities & dimensions

Room capacities and dimensions for Aloft by Marriott Chicago Downtown River North
SpaceSq ft / m²CeilingBanquetTheaterClassroomConferenceU-Shape
Clark RoomPlan this room →702 sq ft659 ft2.7 m4060362021
Dearborn RoomPlan this room →702 sq ft658 ft2.4 m4060362021
River RoomPlan this room →1,919 sq ft1789 ft2.7 m1702001204663
River Room APlan this room →638 sq ft599 ft2.7 m4045322021
River Room ABPlan this room →1,160 sq ft1089 ft2.7 m90120602845
River Room BPlan this room →522 sq ft489 ft2.7 m3040201818
River Room BCPlan this room →1,363 sq ft1279 ft2.7 m90120604645
River Room CPlan this room →725 sq ft679 ft2.7 m5080352228
TacticPlan this room →392 sq ft369 ft2.7 m10

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 Downtown River North have?
Aloft by Marriott Chicago Downtown River North has 9 event spaces totaling 8,123 sq ft.
What is the largest event space at Aloft by Marriott Chicago Downtown River North?
The largest event space at Aloft by Marriott Chicago Downtown River North is River Room, which holds up to 200 guests across 1,919 sq ft.
What is the banquet capacity of River Room at Aloft by Marriott Chicago Downtown River North?
River Room seats up to 170 guests in a banquet layout.
How many people fit in River Room theater-style?
River Room holds up to 200 guests in a theater setup.
What are the dimensions of River Room?
River Room measures 64.4 × 29.8 ft (1,919 sq ft) with 9 ft ceilings.

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