The Westin O'Hare — Event Spaces & Capacities

6100 N River Rd, Rosemont, IL 60018

Planning an event in Rosemont? The Westin O'Hare has 56 function rooms across 98,811 sq ft9,180 m² of function space. The largest room, Grand Ballroom, hosts up to 1,500 guests. Capacity figures for every setup style are listed per room below.

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Floor plans

Detailed floor plans for The Westin O'Hare are published on the venue’s official site.

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Room capacities & dimensions

Room capacities and dimensions for The Westin O'Hare
SpaceCeiling
AmbassadorPlan this room →660 sq ft61 m²12 ft3.7 m205020501010
BanksPlan this room →448 sq ft42 m²10 ft3 m3030212518—
BoardroomPlan this room →924 sq ft86 m²12 ft3.7 m————22—
BurtonPlan this room →448 sq ft42 m²10 ft3 m3030212518—
ClarkPlan this room →247 sq ft23 m²10 ft3 m————8—
DearbornPlan this room →725 sq ft67 m²10 ft3 m506048602227
Director's APlan this room →1,020 sq ft95 m²10 ft3 m607054753024
Director's A / BPlan this room →2,040 sq ft190 m²10 ft3 m1201201001604648
Director's BPlan this room →1,020 sq ft95 m²10 ft3 m607054753024
Director's Suite ParlorPlan this room →676 sq ft63 m²10 ft3 m503018501515
DivisionPlan this room →754 sq ft70 m²10 ft3 m506048602227
Executive ForumPlan this room →3,596 sq ft334 m²———215———
FranklinPlan this room →598 sq ft56 m²8 ft2.4 m————15—
FultonPlan this room →377 sq ft35 m²8 ft2.4 m2030302020—
GarlandPlan this room →247 sq ft23 m²10 ft3 m————8—
GrahamPlan this room →312 sq ft29 m²8 ft2.4 m1224151815—
Grand BallroomPlan this room →12,069 sq ft1,121 m²23 ft7 m9101,1007001,500——
Grand Ballroom Salon APlan this room →4,698 sq ft436 m²23 ft7 m350420250500—90
Grand Ballroom Salon ABPlan this room →8,262 sq ft768 m²23 ft7 m630720470900—175
Grand Ballroom Salon BPlan this room →3,564 sq ft331 m²23 ft7 m280300220400—85
Grand Ballroom Salon BCPlan this room →7,371 sq ft685 m²23 ft7 m560600440800—170
Grand Ballroom Salon CPlan this room →3,807 sq ft354 m²23 ft7 m280300220400—85
HigginsPlan this room →784 sq ft73 m²10 ft3 m407530503027
Lakeshore APlan this room →1,170 sq ft109 m²12 ft3.7 m8090751004044
Lakeshore BPlan this room →1,176 sq ft109 m²12 ft3.7 m7080401004038
Lakeshore RoomPlan this room →2,346 sq ft218 m²10 ft3 m1601501201506046
LaSalle BallroomPlan this room →5,428 sq ft504 m²13 ft4 m40045030052513275
LaSalle Salon APlan this room →1,770 sq ft164 m²13 ft4 m120150901504450
LaSalle Salon ABPlan this room →3,540 sq ft329 m²13 ft4 m24030018030088100
LaSalle Salon BPlan this room →1,770 sq ft164 m²13 ft4 m120150901504450
LaSalle Salon BCPlan this room →3,658 sq ft340 m²13 ft4 m24030018032588100
LaSalle Salon CPlan this room →1,888 sq ft175 m²13 ft4 m120150901754450
MadisonPlan this room →1,450 sq ft135 m²13 ft4 m100140801504450
Michigan APlan this room →1,764 sq ft164 m²12 ft3.7 m100150801253050
Michigan BPlan this room →1,890 sq ft176 m²12 ft3.7 m100150801253050
Michigan BallroomPlan this room →3,654 sq ft339 m²12 ft3.7 m2003001602504066
O'Hare 1Plan this room →774 sq ft72 m²12 ft3.7 m506042553030
O'Hare 2Plan this room →774 sq ft72 m²12 ft3.7 m506042553030
Renewal APlan this room →1,369 sq ft127 m²8 ft2.4 m90115751203027
Renewal BPlan this room →364 sq ft34 m²8 ft2.4 m3042244018—
Rosemont 1Plan this room →774 sq ft72 m²10 ft3 m506042553030
Rosemont 2Plan this room →774 sq ft72 m²8 ft2.4 m506042553030
Rosemont 3Plan this room →774 sq ft72 m²8 ft2.4 m506042553030
Rosemont 4Plan this room →774 sq ft72 m²10 ft3 m506042553030
SchillerPlan this room →756 sq ft70 m²10 ft3 m506048602220
SenecaPlan this room →300 sq ft28 m²10 ft3 m1015101510—
SheffieldPlan this room →615 sq ft57 m²8 ft2.4 m2030302020—
ShermanPlan this room →300 sq ft28 m²10 ft3 m1015101510—
StatePlan this room →756 sq ft70 m²10 ft3 m506048602220
StreeterPlan this room →756 sq ft70 m²10 ft3 m506048602220
WabashPlan this room →448 sq ft42 m²10 ft3 m3030212518—
WashingtonPlan this room →448 sq ft42 m²10 ft3 m3030212518—
Waveland APlan this room →364 sq ft34 m²8 ft2.4 m2030242018—
Waveland A / BPlan this room →728 sq ft68 m²8 ft2.4 m4024244020—
Waveland BPlan this room →364 sq ft34 m²8 ft2.4 m2030242018—
WellsPlan this room →448 sq ft42 m²10 ft3 m3030212518—

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