Sheraton Ontario Airport Hotel, at 429 North Vineyard Avenue near Ontario International Airport, has 4,525 sq ft of event space across five rooms, led by the 3,025 sq ft Orchid Ballroom. Above the Line provides audio, video and lighting for meetings, trainings and banquets.
Close to the airport, the hotel offers a ballroom, a second large room, two breakouts and a boardroom with low ceilings. We size sound, video and lighting to each room from the hotel's own chart.
Room names, sizes and capacities come from the hotel's Events page at marriott.com. Photos are the hotel's own. Production notes describe a typical Above the Line setup for each space.
The hotel's largest room, for up to 175 theater style or at dinner.
Theater 175 · Banquet 175 · Schoolroom 130
With 9 ft ceilings in the Orchid Ballroom, we use a low stage and short-throw projection, and put the speakers on stands at the sides of the screen.
A room for up to 120 theater style and 100 at dinner.
Theater 120 · Banquet 100 · Schoolroom 80
For a 100-guest dinner in the Orchid Room, we keep the audio to a speaker pair and wireless mics, with a display for slides or a video.
Breakout rooms for up to 50.
Joshua: Theater 50 · Banquet 50 · Blossom: Theater 40 · Banquet 40
With 7 ft ceilings in Blossom and Joshua, we use flat-panel displays instead of projectors, with a speakerphone for hybrid sessions.
A boardroom for meetings of up to 10.
Conference 10
For a board meeting in the Executive Boardroom, we add a camera bar and table mic to a wall display for video calls.
All figures come from the capacity chart on the hotel's Events page.
| Room | Dimensions (ft) | Ceiling | Sq ft | Theater | Schoolroom | Conference | U-shape | Reception | Banquet |
|---|---|---|---|---|---|---|---|---|---|
| Orchid | |||||||||
| Orchid Ballroom | 55 x 55 | 9' | 3,025 | 175 | 130 | 175 | |||
| Orchid Room | 32 x 55 | 9' | 1,760 | 120 | 80 | 100 | |||
| Meeting rooms | |||||||||
| Blossom Room | 22 x 26 | 7' | 572 | 40 | 20 | 20 | 20 | 40 | |
| Joshua Room | 22 x 28 | 7' | 616 | 50 | 25 | 25 | 25 | 50 | |
| Executive Boardroom | 13 x 24 | 7' | 312 | 10 | |||||
Sources: Events at marriott.com. Retrieved October 25, 2026. A blank cell means the figure is not published.
Not an official Marriott website. Confirm every capacity with the hotel before contracting.
Wireless and podium mics with a PA tuned for the Executive Boardroom.
Projection and bright LED displays sized to each room and its daylight.
Warm lighting and uplighting for dinners, receptions and award nights.
LED walls for general sessions, launches and award moments.
Cameras, switching and streaming for hybrid meetings and boardrooms.
We draw layouts from Sheraton Ontario Airport's own room specs and a site walk.
Weather-rated audio and lighting for terraces and outdoor spaces.
Itemized budgets for Sheraton Ontario Airport, with every line explained.
Our technicians work alongside the hotel's event team from load-in to strike.
Gear ships from our own Southern California warehouses.
We maintain our inventory from VUE, Shure, Barco, Avid, Yamaha and Sony.
We work across the Inland Empire every week, from Ontario and Rancho Cucamonga to Upland, Chino and Riverside.
We build walk-in loops, sponsor slides and award graphics sized to your screens.
Our itemized budgets match what is actually in the room.
We keep you updated clearly and consistently from proposal to strike.
Our proposals are drawn from the hotel's own room specs.
In 16 years and 2,113 events, including 85 concerts, our team has handled everything from early design to show day.
Learn More →We support trainings, meetings and banquets, from the Orchid Ballroom to the Executive Boardroom.
Learn More →Above the Line, your AV partner at Sheraton Ontario Airport Hotel. Succeed Today →
Send your RFP or event plan for Sheraton Ontario Airport, and we'll return an itemized quote.
