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DoubleTree by Hilton Hotel Ontario Airport

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Meetings and events

Housing an array of meeting rooms and the largest ballroom in Ontario, our hotel is suited to a variety of events. Event planners can guide you through packages specializing in small meetings, and our complimentary airport shuttle will transport traveling attendees.

  • Total event space
    36,727sq. ft.
  • Largest room setup
    12,719sq. ft.
  • Meeting rooms
  • Guest rooms
Outdoor Wedding Ceremony Setup


Celebrate the perfect wedding in the largest ballroom in Ontario, and experience a personalized day featuring a variety of decoration and catering styles. Our airport shuttle allows out-of-town guests to be there for the big event.

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Capacity chart

Chart displays number of guests per room layout.

Event Room NameBanquetConferenceSquareReceptionSchool RoomTheatreU-Shape
Empire BallroomSquare Feet: 12,719115000200067512000
Doubletree BallroomSquare Feet: 7,210504330609003307000
HarvestSquare Feet: 4,26635000500220400170
GroveSquare Feet: 4,18735000500220400170
VineyardSquare Feet: 4,18735000500220400170
Big BearSquare Feet: 1,1526060701006010050
Keller PeakSquare Feet: 8646000703510035
Strawberry CreekSquare Feet: 816606042703510035
Hunters PeakSquare Feet: 5404003260204025
Executive BoardroomSquare Feet: 45002000000
Cajon PeakSquare Feet: 336606042703510035
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