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Planning an Event in Ontario

A breathtaking venue located in the center of Southern California. Meet, Connect and Explore!..

Ontario at a glance

Average hotel room cost

USD 115

Average meal cost

USD 54

Largest hotel

482 rooms

Total hotels

Total rooms

6,228

Number of convention centers

Convention center space

225,000 sq. ft.

Largest convention room

NaN sq. ft.

Highlights of Ontario

1. Cafe Connect - Dining/Patio/Lounge

This beautiful space located in the main lobby of Ontario Convention Center provides indoor and outdoor seating with a view of the San Gabriel Mountains. The grab and go menu provides an easy way to enjoy a cup of illy coffee, relax in the California sunshine, and connect with your friends.

2. The Exhibit Hall

With over 70,000 square feet this column free space is ideal for trade shows, large stage presentations, or a gala dinner. Our in house AV team will be there to support your presentations, including virtual hybrid events.

3. Mayoral Ballroom

The Mayoral Ballroom is 20,000 Square Feet overall and includes air walls to create three separate spaces. The pre-function area can serve as part of the overall experience as well. Our award winning culinary team will work with you to ensure your meeting, gala event, or classroom is perfect!

Convention Centers

Ontario Convention Center an SMG Managed Facility

The contemporary Ontario Convention Center is located within a mile from the Ontario International Airport, making it an extremely convenient option for business travelers. Built in 1997, this center has been remodeled and updated. The large glass windows offer a light-filled center, which is lined with towering palm trees, and a view of the San Gabriel Mountains. Ontario Convention Center offers 225,000 total square feet of flexible meeting, exhibit and function space. In addition to 24,000 square feet of breakout space, the center boasts a 70,000-square-foot Exhibit Hall and 20,000-square-foot ballroom. Amenities at the Ontario Convention Center include a full-service business center, exclusive on-site award winning catering and more tha…

Largest room space

69,325 sq. ft.

Largest exhibit space

70,000 sq. ft.