Costa Mesa Marriott — Event Spaces, Floor Plans & Capacities

500 Anton Blvd, Costa Mesa, CA 92626

7 rooms · largest space: Ballroom, 1,932 sq ft179 m²

Costa Mesa Marriott gives Costa Mesa event planners 7 rooms to work with. The largest space is Ballroom, 1,932 sq ft179 m². It holds up to 150 guests. Review the layouts and seating capacities below, then test your setup in 3D — free.

Across its 7 rooms, Costa Mesa Marriott handles theater-style sessions for up to 200, seated banquets for 200 and standing receptions for 150. 5 smaller rooms suit breakouts and board meetings. Exact figures for every room and setup style are in the chart below.

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Floor plans

Detailed floor plans for Costa Mesa Marriott are published on the venue’s official site.

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Room capacities & dimensions

7 rooms

Room capacities and dimensions for Costa Mesa Marriott
Space	Sq ft / m²	Ceiling	Banquet	Theater	Classroom	Reception	Conference	U-Shape
BallroomPlan this room →	1,932 sq ft179 m²	10 ft3 m	120	150	91	150	66	62
Salon IPlan this room →	644 sq ft60 m²	10 ft3 m	40	50	35	50	20	25
Salon IIPlan this room →	644 sq ft60 m²	10 ft3 m	40	50	35	50	20	25
Salon IIIPlan this room →	644 sq ft60 m²	10 ft3 m	40	50	35	50	20	25
BoardroomPlan this room →	540 sq ft50 m²	10 ft3 m	—	—	—	—	14	—
Lakeview SalonPlan this room →	600 sq ft56 m²	10 ft3 m	30	50	35	50	20	25
LakeView TerracePlan this room →	2,700 sq ft251 m²	—	200	200	—	—	—	—

Figures from published venue data; blank cells mean the venue hasn’t published that number. Verify final counts with the venue.

Frequently asked questions

How many event rooms does Costa Mesa Marriott have?

Costa Mesa Marriott has 7 rooms.

What is the largest space at Costa Mesa Marriott?

Ballroom, 1,932 sq ft: 28 × 69 ft, 120 banquet / 150 theater.

How many people can Costa Mesa Marriott seat for a banquet?

Up to 200 in LakeView Terrace. The next largest room, Ballroom, seats 120.

What is the ceiling height at Costa Mesa Marriott?

The highest ceiling is 10 ft, in Ballroom.

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