Grand Ballroom at The Westin

Grand Ballroom at The Westin - Event Venue in Rosemont, Illinois

Hotel · Rosemont, Illinois

6100 N River Rd, Rosemont, IL 60018-5128, Rosemont, Illinois, United States

About Grand Ballroom at The Westin

The Grand Ballroom at The Westin O'Hare is a contemporary hotel ballroom with soaring ceilings and a polished, neutral palette that adapts seamlessly to elevated production and branding. This 12,069-square-foot space is ideal for high-end conferences, award galas, and multi-day corporate events requiring on-site accommodations and extensive breakout support.

Venue Details

  • Seated capacity: 1,100
  • Standing capacity: 1,500
  • Comfortable capacity: 1,200
  • Total space: 12,069 sq ft
  • Meeting space: 51,000 sq ft
  • Guest rooms: 525
  • Meeting rooms: 28

Amenities

Facilities

  • Ballroom

Guest Services

  • On-Site Catering

AV Capabilities

  • In-House AV Tech

Transportation

  • Airport Shuttle

Business Services

  • Dedicated WiFi
  • Business Center

Recreation

  • Fitness Center

Meeting Rooms & Event Spaces

Grand Ballroom

  • Type: Ballroom
  • Size: 12,069 sq ft
  • Capacity — Theater: 1100, Cocktail: 1500
  • Features: Wheelchair accessible
  • Primary grand ballroom ideal for large conferences, banquets, and social galas at The Westin O'Hare.

Grand Ballroom Salon A

  • Type: Ballroom
  • Capacity — Theater: 420, Cocktail: 500
  • Features: Wheelchair accessible
  • Subdivision of the Grand Ballroom suited for mid-size meetings and banquets.

Grand Ballroom Salon B

  • Type: Ballroom
  • Capacity — Theater: 300, Cocktail: 400
  • Features: Wheelchair accessible
  • Central salon of the Grand Ballroom appropriate for general sessions and receptions.

Grand Ballroom Salon C

  • Type: Ballroom
  • Capacity — Theater: 300, Cocktail: 400
  • Features: Wheelchair accessible
  • End salon of the Grand Ballroom suitable for breakouts or smaller banquets.

LaSalle Ballroom

  • Type: Ballroom
  • Capacity — Theater: 450, Cocktail: 525
  • Features: Wheelchair accessible
  • Second-largest ballroom used for banquets, conferences, and receptions.

Michigan Ballroom

  • Type: Ballroom
  • Capacity — Theater: 300, Cocktail: 250
  • Features: Wheelchair accessible
  • Flexible ballroom space for mid-sized events and social functions.

Executive Forum

  • Type: Conference Room
  • Capacity — Theater: 250
  • Features: Wheelchair accessible
  • Large conference room designed for trainings, seminars, and corporate meetings.

Boardroom

  • Type: Boardroom
  • Capacity — Theater: 42, Boardroom: 42
  • Features: Wheelchair accessible
  • Dedicated boardroom for high-level meetings and executive sessions.

Lakeshore Room

  • Type: Meeting Room
  • Capacity — Theater: 160, Cocktail: 150
  • Features: Wheelchair accessible
  • Versatile meeting room commonly used for breakouts, meals, and receptions.

Director's A & B

  • Type: Meeting Room
  • Capacity — Theater: 120, Cocktail: 160
  • Features: Wheelchair accessible
  • Combined Director's meeting space suitable for mid-sized meetings and receptions.

Renewal A

  • Type: Meeting Room
  • Capacity — Theater: 115, Cocktail: 120
  • Features: Wheelchair accessible
  • Meeting room frequently used for seminars, training, and breakouts.

Renewal B

  • Type: Meeting Room
  • Capacity — Theater: 42, Cocktail: 40
  • Features: Wheelchair accessible
  • Smaller companion room to Renewal A for intimate sessions or breakouts.