Hilton Chicago/Oak Brook Hills Resort & Conference Center — Event Spaces, Floor Plans & Capacities

3500 Midwest Rd, Oak Brook, IL 60523

38 rooms · largest space: Grand Ballroom, 13,432 sq ft1,248 m²

Hilton Chicago/Oak Brook Hills Resort & Conference Center gives Oak Brook event planners 38 rooms to work with. The largest space is Grand Ballroom, 13,432 sq ft1,248 m². It holds up to 1,500 guests. Review the layouts and seating capacities below, then test your setup in 3D — free.

Plan an event in Grand Ballroom: open a free to-scale layout seating 840 at round tables in its 92 × 146 ft footprint at floors.live/start — no account needed.

Across its 38 rooms, Hilton Chicago/Oak Brook Hills Resort & Conference Center handles theater-style sessions for up to 1,500, seated banquets for 1,000 and standing receptions for 1,500. 13 smaller rooms suit breakouts and board meetings. Exact figures for every room and setup style are in the chart below.

Plan your event in this space — free

Unverified listing — compiled from Hilton Chicago/Oak Brook Hills Resort & Conference Center’s published information. Venue staff can verify capacities and setups free: floors.live/venues/us/illinois/oak-brook/hilton-chicago-oak-brook-hills-resort-and-conference-center/?claim=1.

Floor plans

Detailed floor plans for Hilton Chicago/Oak Brook Hills Resort & Conference Center are published on the venue’s official site.

View official floor plans at Hilton ↗Plan your event in this space — free

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Room capacities & dimensions

38 rooms, 46 configurations. Combined and divided set-ups are listed under their room.

Room capacities and dimensions for Hilton Chicago/Oak Brook Hills Resort & Conference Center
SpaceCeiling
AugustaPlan this room →440 sq ft41 m²8 ft2.4 m243024—161616
Ballroom APlan this room →644 sq ft60 m²14 ft4.3 m40603250202022
8 configurations with Ballroom A
Combined and divided set-ups that include Ballroom A
ConfigurationSq ft / m²CeilingBanquetTheaterClassroomReceptionConferenceBoardroomU-Shape
Ballroom A-BPlan this room →1,288 sq ft120 m²14 ft4.3 m8013256120363642
Ballroom A-CPlan this room →1,932 sq ft179 m²14 ft4.3 m12019296160525258
Ballroom A-DPlan this room →2,576 sq ft239 m²14 ft4.3 m16025213625010010082
Ballroom A-EPlan this room →6,716 sq ft624 m²14 ft4.3 m500750475750210210200
Ballroom F-JPlan this room →6,716 sq ft624 m²14 ft4.3 m500750475750210210200
Ballroom G-HPlan this room →1,288 sq ft120 m²14 ft4.3 m8013256120363642
Ballroom G-IPlan this room →1,932 sq ft179 m²14 ft4.3 m12019296160525258
Ballroom G-JPlan this room →2,576 sq ft239 m²14 ft4.3 m16025213625010010082
Ballroom BPlan this room →644 sq ft60 m²14 ft4.3 m40603250202022
Ballroom CPlan this room →644 sq ft60 m²14 ft4.3 m40603250202022
Ballroom DPlan this room →644 sq ft60 m²14 ft4.3 m40603250202022
Ballroom EPlan this room →4,140 sq ft385 m²18 ft5.5 m32040022550010010086
Ballroom FPlan this room →4,140 sq ft385 m²18 ft5.5 m32040022550010010086
Ballroom GPlan this room →644 sq ft60 m²14 ft4.3 m40603250202022
Ballroom HPlan this room →644 sq ft60 m²14 ft4.3 m40603250202022
Ballroom IPlan this room →644 sq ft60 m²14 ft4.3 m40603250202022
Ballroom JPlan this room →644 sq ft60 m²14 ft4.3 m40603250202022
Butler Executive BoardroomPlan this room →288 sq ft27 m²10 ft3 m————1010—
CardinalPlan this room →1,092 sq ft101 m²11 ft3.4 m601004080303034
Clarendon HillsPlan this room →520 sq ft48 m²8 ft2.4 m304025—202020
Conference Dining RoomPlan this room →1,656 sq ft154 m²14 ft4.3 m120——————
DoralPlan this room →520 sq ft48 m²8 ft2.4 m404026—202020
DuPage AmphitheaterPlan this room →3,420 sq ft318 m²14 ft4.3 m—145—————
Garden PatioPlan this room →1 sq ft0 m²1 ft0.3 m100——300———
Golf Pavillion (Seasonal)Plan this room →3,200 sq ft297 m²15 ft4.6 m200——250———
Grand BallroomPlan this room →13,432 sq ft1,248 m²18 ft5.5 m1,0001,5009601,500———
HeronPlan this room →840 sq ft78 m²11 ft3.4 m40703250202022
HinsdalePlan this room →630 sq ft59 m²8 ft2.4 m506030—262624
LaGrangePlan this room →520 sq ft48 m²8 ft2.4 m305025—202020
MallardPlan this room →1,656 sq ft154 m²14 ft4.3 m120200100150363646
MedinahPlan this room →1 sq ft0 m²1 ft0.3 m——2085———
MonarchPlan this room →2,325 sq ft216 m²9 ft2.7 m180200100150707065
Oak BrookPlan this room →630 sq ft59 m²8 ft2.4 m487032—242426
Pebble BeachPlan this room →520 sq ft48 m²8 ft2.4 m404026—202020
PinehurstPlan this room →820 sq ft76 m²8 ft2.4 m404020—242420
Salt CreekPlan this room →1,708 sq ft159 m²9 ft2.7 m110200100150464652
SawgrassPlan this room →1 sq ft0 m²1 ft0.3 m8——————
St. AndrewsPlan this room →1 sq ft0 m²1 ft0.3 m8———66—
Sugar MaplePlan this room →975 sq ft91 m²11 ft3.4 m601004080303034
The Marquis (w/ Private Patio)Plan this room →5,917 sq ft550 m²20 ft6.1 m300——500———
Torrey PinesPlan this room →672 sq ft62 m²8 ft2.4 m404020—242420
Western SpringsPlan this room →550 sq ft51 m²8 ft2.4 m305025—202022
WestmontPlan this room →520 sq ft48 m²8 ft2.4 m304020—161616
White Oak BoardroomPlan this room →550 sq ft51 m²11 ft3.4 m————1212—

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 Hilton Chicago/Oak Brook Hills Resort & Conference Center?

Hilton Chicago/Oak Brook Hills Resort & Conference Center has 38 rooms. The largest space is Grand Ballroom, 13,432 sq ft (92 × 146 ft). Every room's dimensions and seating capacity by setup are listed on this page. For the venue's own drawings, see its official website, linked from this page.

How many event rooms does Hilton Chicago/Oak Brook Hills Resort & Conference Center have?

Hilton Chicago/Oak Brook Hills Resort & Conference Center has 38 rooms. 46 configurations are listed on this page.

What is the largest space at Hilton Chicago/Oak Brook Hills Resort & Conference Center?

Grand Ballroom, 13,432 sq ft: 92 × 146 ft, 1,000 banquet / 1,500 theater.

How many people can Hilton Chicago/Oak Brook Hills Resort & Conference Center seat for a banquet?

Up to 1,000 in Grand Ballroom. The next largest room, Ballroom A-E, seats 500.

What is the ceiling height at Hilton Chicago/Oak Brook Hills Resort & Conference Center?

The highest ceiling is 20 ft, in The Marquis (w/ Private Patio).

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