Conference venues in Costa Mesa
This guide covers 3 mapped venues in Costa Mesa, California, what each one holds, and how attendees get to them. Pacific Amphitheatre is the best-documented room in the set.
Venues in Costa Mesa, by what they are for
Costa Mesa has a recorded population of 109,131 (2024), inside the Los Angeles-Long Beach-Anaheim, CA area of about 13 million people.
Across the city the dataset records 1 exhibition or convention hall, 1 arena or stadium and 1 theatre or concert hall.
By type that is 1 performing-arts centre, 1 fairground and 1 stadium.
Exhibition and convention halls (1)
| Venue | Type | Stated capacity | From the centre |
|---|---|---|---|
| OC Fair & Event Center | fairground | not published | 3.3 km (2.1 mi) |
Arenas and stadiums (1)
| Venue | Type | Stated capacity | From the centre |
|---|---|---|---|
| Harry R. LeBard Stadium | stadium | not published | 3.6 km (2.2 mi) |
Theatres and concert halls (1)
| Venue | Type | Stated capacity | From the centre |
|---|---|---|---|
| Pacific Amphitheatre | performing-arts centre | not published | 3.1 km (1.9 mi) |
Every venue mapped in Costa Mesa appears above. The ones with enough published detail to be worth reading have their own guide and are linked; the rest are named here, which is honest about what the record holds without giving each of them a page made of three facts.
Where an exhibition fits
One venue in Costa Mesa is classified as exhibition or convention space.
- OC Fair & Event Centersize not published
Capacities are the figure the venue or an encyclopaedia entry published. They are usually the seated maximum, and the same room in banquet or reception layout can differ by half. Confirm the layout you want before you plan around a number.
How people reach Costa Mesa
John Wayne Airport (SNA) sits 6 km (3.7 mi) from the centre, close enough that a same-day arrival is realistic for most of your speakers.
The city runs on Los Angeles time (America/Los_Angeles). Schedules published in one zone and read in another are the most common cause of a half-empty first session.
Newport Beach, Huntington Beach and Fountain Valley are close enough to draw from for a day rate, and to fall back on if Costa Mesa has nothing free on your dates.
- Nearest major airport
- SNA
- John Wayne Airport, 6 km (3.7 mi)
- Local time
- UTC−7
- America/Los_Angeles, in September
- City population, 2024
- 109,131
- 13 million across the Los Angeles-Long Beach-Anaheim, CA area
Worth knowing before you sign
No published capacities
Not one Costa Mesa venue publishes a capacity in the open sources behind this page. Every room on the list will quote you a number directly, but you cannot compare them before you call, so build a fortnight of venue calls into the plan.
The city is smaller than the market
109,131 people live in Costa Mesa itself, but about 13 million live in the wider Los Angeles-Long Beach-Anaheim, CA. Your local audience is far bigger than the city line suggests, and so is the commute your day-rate attendees will make.
A worked example, sized to Costa Mesa
Take 240 people through the door in Costa Mesa — a mid-sized Costa Mesa programme, since no Costa Mesa venue publishes a capacity in open data. The first 50 activated attendees are free on every event, so only the rest are billed, and the total stops moving at 1,000 however many more turn up.
- activated attendees
- 240activated attendees
- billable, after the first 50 are free
- 190billable, after the first 50 are free
- for the whole event, at $5 each
- $950for the whole event, at $5 each
You are billed for people, not for the venue, so the room you choose in Costa Mesa does not change this figure. Nothing is charged for an attendee who registers and never opens the app.
Which kind of event this suits
No capacity is published for any Costa Mesa venue, so match the format to the room on your site visit rather than to a number on a listing.
- trade shows and exhibitions
1 exhibition or convention hall means a booth plan is possible in Costa Mesa without renting a marquee.
- multi-track conferences
The exhibition space here doubles as plenary space when the floor is cleared.
- association annual meetings
An association meeting needs one big room, several small ones and a hotel block, which is the combination Costa Mesa is set up for.
- award ceremonies
1 fixed-seat house gives you a stage, lighting and sightlines without building any of it.
Where this data comes from
- GeoNames, CC BY 4.0
- US Census Bureau, Vintage 2024 estimates
- Wikidata, CC0
- Geographic data © GeoNames, licensed under CC BY 4.0.
- Venue data © OpenStreetMap contributors, available under the Open Database License.
- US population figures are US Census Bureau Vintage 2024 estimates.
- Retrieved 3 September 2026. event67 has no commercial relationship with any venue listed.
Last updated
What it costs
- Free up to 50
- activated attendees, on one live event
- $5
- per activated attendee beyond 50
- $4,750
- the most one event can ever cost, whatever happens past 1,000
Activated means the person claimed their invite and opened the app. Not when you import them, not when the invite is delivered, and not if they register and stay home.
Questions people actually ask
What does an event app cost for a 240-person event in Costa Mesa?
240 activated attendees means 190 billable after the free 50, so $950 for the event. The price is $5 per activated attendee beyond the first 50, and the total for one event stops at $4,750 however many more attend. Activated means the person claimed their invite and opened the app. Not when you import them, not when the invite is delivered, and not if they register and stay home.
How big an event can Costa Mesa hold?
No Costa Mesa venue publishes a capacity in the open sources behind this page, so there is no honest number to quote. 3 venues are mapped here and each will quote a capacity directly. Ask for the seated, theatre and reception figures separately — they differ by a factor of two or more in the same room.
Does Costa Mesa have a convention centre?
Yes — 1 venue is classified as exhibition or convention space in Costa Mesa, including OC Fair & Event Center. Exhibition halls are booked by floor area rather than by seat, so ask for the hall sheet with column spacing and load-in access rather than a capacity number.
Which airport do attendees fly into for Costa Mesa?
John Wayne Airport (SNA), about 6 km (3.7 mi) from the city. It is the highest-traffic airport within reach in this dataset. Local time is America/Los_Angeles; publish every session in that zone and let attendees' phones convert it.
Is there a free tier for a small Costa Mesa event?
One live event with up to 50 activated attendees costs nothing. Beyond that it is $5 per activated attendee beyond the first 50, and the total for one event stops at $4,750 however many more attend. Activated means the person claimed their invite and opened the app. Not when you import them, not when the invite is delivered, and not if they register and stay home.
Keep reading
Nearby cities
- Holding an event in Newport Beach
4 venues mapped
- Holding an event in Huntington Beach
2 venues mapped
- Holding an event in Fountain Valley
1 venues mapped
- Holding an event in Irvine
19 venues mapped
- Holding an event in Santa Ana
8 venues mapped
Up a level
Running something in Costa Mesa?
Set the schedule, invite the room and watch who actually turns up. Free for your first 50 activated attendees, on one live event.