Chicago Marriott Oak Brook

1401 West 22nd Street, Oak Brook, Illinois
20,079
Sq ft event space
26
Meeting rooms
1,250
MAX Capacity
98
Guest rooms

Chicago Marriott Oak Brook is a premier event destination offering world-class facilities for weddings, corporate events, conferences, galas, and social gatherings. With 20079 sq ft of flexible event space across 26 configurable rooms, we bring your vision to life with an experienced in-house events team.

Our dedicated coordinators, award-winning catering team, and state-of-the-art audio-visual capabilities ensure every detail is flawless — from the first site visit to the final dance.

Guest rooms

98 rooms available for individual stays and discounted room blocks.

CDDB

CDDB

CONC

CONC

DBDB

DBDB

ESTE

ESTE

Meeting & event space

20079 sq ft across 26 configurable rooms. Tap a room for capacities and setups.

Oak Brook Ballroom (A-H)

11040 · 138 x 80 ft · 17 ft ceiling
Max capacity1250
Floor area11040
Dimensions138 x 80 ft
Ceiling height17 ft
Configurations4
Capacity by setup
1200
Theater
1000
Banquet
700
Classroom
1250
Reception

Salons A-D (combined)

7440 · 93 x 80 ft · 17 ft ceiling
Max capacity1000
Floor area7440
Dimensions93 x 80 ft
Ceiling height17 ft
Configurations4
Capacity by setup
900
Theater
640
Banquet
500
Classroom
1000
Reception

Salons B, C & D (combined)

3840 · 48 x 80 ft · 17 ft ceiling
Max capacity575
Floor area3840
Dimensions48 x 80 ft
Ceiling height17 ft
Configurations4
Capacity by setup
450
Theater
320
Banquet
290
Classroom
575
Reception

Foyer & Salons E-H (combined)

3600 · 45 x 80 ft · 10 ft ceiling
Max capacity320
Floor area3600
Dimensions45 x 80 ft
Ceiling height10 ft
Configurations5
Capacity by setup
300
Theater
320
Banquet
200
Classroom
55
U-Shape
250
Reception

Salon A

3600 · 45 x 80 ft · 17 ft ceiling
Max capacity350
Floor area3600
Dimensions45 x 80 ft
Ceiling height17 ft
Configurations5
Capacity by setup
350
Theater
320
Banquet
200
Classroom
55
U-Shape
350
Reception

Marquis Room

2100 · 42 x 50 ft · 8 ft ceiling
Max capacity200
Floor area2100
Dimensions42 x 50 ft
Ceiling height8 ft
Configurations5
Capacity by setup
150
Theater
160
Banquet
80
Classroom
40
U-Shape
200
Reception

Salons B & C (combined)

2015 · 48 x 42 ft · 17 ft ceiling
Max capacity250
Floor area2015
Dimensions48 x 42 ft
Ceiling height17 ft
Configurations5
Capacity by setup
250
Theater
160
Banquet
120
Classroom
55
U-Shape
225
Reception

Salon D

1825 · 48 x 38 ft · 17 ft ceiling
Max capacity225
Floor area1825
Dimensions48 x 38 ft
Ceiling height17 ft
Configurations5
Capacity by setup
225
Theater
120
Banquet
100
Classroom
50
U-Shape
200
Reception

Ballroom Foyer

1600 · 20 x 80 ft · 12 ft ceiling
Max capacity0
Floor area1600
Dimensions20 x 80 ft
Ceiling height12 ft
Configurations0
Capacity by setup

Oak Brook Room

1100 · 0 x 0 ft
Max capacity40
Floor area1100
Dimensions0 x 0 ft
Configurations1
Capacity by setup
40
Banquet

Key amenities

Everything available on-site for your event and guests.

Interactive Map

  • Barber shop
  • Check cashing policy
  • Complimentary coffee in lobby
  • Complimentary newspaper in lobby
  • Concierge lounge
  • Hairdresser/barber
  • Video checkout

Other Hotel Service

  • 24-hour coffee shop
  • ATM/Cash machine
  • Accessible parking
  • Complimentary in-room coffee or tea
  • Concierge desk
  • Indoor parking
  • Motorcycle parking
  • Off-Site parking
  • On-Site parking
  • Valet parking

Recreational facilities

  • Ball machine rental fee type
  • Brookfield Zoo
  • Casino
  • Course 1
  • Course 2 (Ravines)
  • Course 3
  • Course 4 (Dubsdread)
  • Course Total Yardage
  • Fitness Center
  • Game room
  • Go Bananas Indoor Theme Park
  • Hillside
  • LA Fitness
  • Lakeside
  • Mario Tricoci
  • Naper Settlement
  • Naperville Centennial Beach
  • Number of Holes
  • Oak Brook Golf Club
  • Odyssey Fun World

Location & transportation

1401 West 22nd Street, Oak Brook, Illinois

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