The Westin South Coast Plaza, Costa Mesa Meetings & Weddings

With 35,000 square feet of versatile space and superior service, The Westin South Coast Plaza, Costa Mesa is an unbeatable choice for all types of meetings and events. Our 26 different meeting spaces run the gamut from intimate rooms fit for a private dinner to grand venues like our beautiful 7,600 square-foot Plaza Ballroom.

A dedicated, highly trained Executive Meeting Specialist is available throughout your event to make sure that you and your guests have everything you need, while our on-site technicians are available to set up and monitor your audiovisual configuration. And, with a full-service catering staff, your guests will stay energized and focused from start to finish.

To help strengthen professional ties while still meeting cost objectives, we offer Planner’s Edge events that promote camaraderie in creative, budget-conscious ways. Our commitment to sustainability means your event will be eco-friendly without sacrificing any comfort or convenience.

Explore our "Meetings in a Moment" packages to discover how we can help you stay within your budget and timeline without sacrificing quality or personality.

Click here to view our banquet and catering menus.

Number of Guest Rooms: 394
Number of Meeting Spaces: 26
Largest Meeting Space: 7,598 sq ft (705.88 sq m)

Our Features

Tangent™ at Westin: Where Ideas Meet

Streamline your work experience with smart technology and intuitive design that helps you connect with colleagues around the table or across the globe. Available by the hour for groups of up to four, Tangent allows you to perform at your best. More >

Green Meetings

As part of our commitment to environmental sustainability, we can reduce your event's carbon footprint, allowing you and your guests to stay eco-friendly without sacrificing comfort or convenience. More >

Meeting and Event Services

When you partner with us for your event, you can rest assured that every detail will be flawlessly executed, from the setup of state-of-the-art audiovisual equipment to expertly catered meals. More >

About Westin Weddings at The Westin South Coast Plaza

Whether you dream of a lavish event for 600 or an intimate, spontaneous gathering, our wedding consultant will work with you to create an event that fits both your vision and your budget. More >

Get Rewarded

Earn Starpoints® and eligible nights toward SPG elite status on your next meeting or event.  More >

Planner's Edge Events

Take your event to the next level with a Planner's Edge package, and discover how a cost-effective, on-site event can be an unforgettably motivating and productive experience. More >


Our 26 separate meeting venues, totalling over 35,000 square feet of both indoor and outdoor space, include everything from intimate boardrooms to a grand ballroom with an elegant reception area. More >

Starwood Meetings & Events Features

From intimate events to corporate functions, we provide the tools you need to plan the perfect gathering.

  • Executive Meeting Specialist - A dedicated, highly trained Executive Meeting Specialist will be at your side throughout your event, ready to help with anything you and your guests need.



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