The Westin Chicago Northwest — Event Spaces, Floor Plans & Capacities

400 Park Blvd, Itasca, IL 60143

23 rooms · largest space: Grand Ballroom, 9,600 sq ft892 m²

The Westin Chicago Northwest in Itasca offers 23 event rooms. The largest space is Grand Ballroom, 9,600 sq ft892 m². It holds up to 1,100 guests. Explore the floor plans and capacity charts below, or start arranging your own layout in the free planner.

Plan an event in Grand Ballroom: open a free to-scale layout seating 540 at round tables in its 120 × 80 ft footprint at floors.live/start — no account needed.

Across its 23 rooms, The Westin Chicago Northwest handles theater-style sessions for up to 1,100, seated banquets for 800 and standing receptions for 800. Exact figures for every room and setup style are in the chart below.

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Unverified listing — compiled from The Westin Chicago Northwest’s published information. Venue staff can verify capacities and setups free: floors.live/venues/us/illinois/itasca/the-westin-chicago-northwest/?claim=1.

Floor plans

Detailed floor plans for The Westin Chicago Northwest are published on the venue’s official site.

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Room capacities & dimensions

23 rooms

Room capacities and dimensions for The Westin Chicago Northwest
Space	Sq ft / m²	Ceiling	Banquet	Theater	Classroom	Reception	Conference	U-Shape
Abricot BallroomPlan this room →	5,300 sq ft492 m²	15 ft4.6 m	280	490	220	280	60	65
AltonPlan this room →	899 sq ft84 m²	9 ft2.7 m	50	90	45	50	30	27
Ballroom IPlan this room →	—	19 ft5.8 m	90	175	75	90	30	36
Ballroom IIPlan this room →	—	19 ft5.8 m	90	175	75	90	30	36
Ballroom IIIPlan this room →	—	19 ft5.8 m	150	300	120	150	50	54
Ballroom IVPlan this room →	—	19 ft5.8 m	150	300	120	150	50	54
BarringtonPlan this room →	1,178 sq ft109 m²	9 ft2.7 m	80	110	50	80	36	32
CarlylePlan this room →	868 sq ft81 m²	9 ft2.7 m	50	90	45	50	30	27
Chambers RoomPlan this room →	—	39 ft11.9 m	60	100	50	100	35	30
EdwardianPlan this room →	713 sq ft66 m²	9 ft2.7 m	40	60	32	40	22	24
Gallery BallroomPlan this room →	4,160 sq ft386 m²	12 ft3.7 m	260	300	150	260	60	50
Grand BallroomPlan this room →	9,600 sq ft892 m²	19 ft5.8 m	800	1,100	630	800	100	130
HamptonPlan this room →	1,064 sq ft99 m²	9 ft2.7 m	50	100	42	50	24	26
Lakeshore BallroomPlan this room →	3,870 sq ft360 m²	9 ft2.7 m	270	300	170	270	70	75
Lakeside PavilionPlan this room →	6,720 sq ft624 m²	51 ft15.5 m	530	800	350	530	70	80
LeightonPlan this room →	896 sq ft83 m²	9 ft2.7 m	50	100	44	50	26	25
MarlboroughPlan this room →	1,792 sq ft166 m²	9 ft2.7 m	100	180	100	100	40	40
PrescottPlan this room →	896 sq ft83 m²	9 ft2.7 m	50	100	44	50	26	25
RadcliffePlan this room →	896 sq ft83 m²	9 ft2.7 m	40	90	40	40	24	24
StanfordPlan this room →	2,128 sq ft198 m²	9 ft2.7 m	110	220	100	110	42	45
The ChambersPlan this room →	784 sq ft73 m²	—	60	100	45	100	36	33
TrafalgarPlan this room →	1,064 sq ft99 m²	9 ft2.7 m	60	110	45	60	36	33
WindsorPlan this room →	989 sq ft92 m²	9 ft2.7 m	60	100	45	60	32	32

Figures from published venue data; blank cells mean the venue hasn’t published that number. Verify final counts with the venue.

Sizing another room? Try the event room capacity calculator or the floor plan scale converter.

Frequently asked questions

What is the floor plan of The Westin Chicago Northwest?

The Westin Chicago Northwest has 23 rooms. The largest space is Grand Ballroom, 9,600 sq ft (120 × 80 ft). Every room's dimensions and seating capacity by setup are listed on this page. The Westin Chicago Northwest's own floor plans are published on its website, linked from this page.

How many event rooms does The Westin Chicago Northwest have?

The Westin Chicago Northwest has 23 rooms.

What is the largest space at The Westin Chicago Northwest?

Grand Ballroom, 9,600 sq ft: 120 × 80 ft, 800 banquet / 1,100 theater.

How many people can The Westin Chicago Northwest seat for a banquet?

Up to 800 in Grand Ballroom. The next largest room, Lakeside Pavilion, seats 530.

What is the ceiling height at The Westin Chicago Northwest?

The highest ceiling is 51 ft, in Lakeside Pavilion.

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