Skip to main content

San Diego Marriott Mission Valley

Event Spaces

The way people travel for business has changed. When it comes to meetings, guests want to break out of the norm. That's why conferences, team building and other business events need the perfect setting - and planning comes easy with Meetings Imagined.

Request for Proposal

Event Spaces Overview

With Meetings Imagined, our Marriott event planners will help you create a unique, engaging experience. Attendees crave collaborative environments-whether it's in a ballroom or boardroom. From meeting rooms to communal tables, our meeting space has evolved to meet the changing needs of business travelers.


The San Diego Marriott Mission Valley offers 19 perfectly designed meeting rooms, all with abundant natural light, full-service catering and the technology you need to create engaging events. We can accommodate 1,100 guests theatre-style in our Grand Ballroom, or for a more intimate setting, Ashley's Room accommodates up to 30 for a reception.


We even have four sensational outdoor spaces that, when matched with our idyllic climate, help spark imagination at any time of the day.

Meeting Space Highlights

  • More than 28,000 square feet of event space
  • The Rio Vista Grand Ballroom, our largest venue, seats 1,100 theatre-style and accommodates 900 for receptions
  • A total of 19 meeting rooms
  • Four sensational outdoor spaces perfect for receptions
  • Private dining room for small, intimate affairs that accommodates up to 30 guests
  • Wired and wireless connectivity, videoconferencing, docking stations, smart whiteboards, and visual technology support
  • Red Coat DirectSM, our convenient app that lets you edit meeting requests easily
  • Custom catering menus from our award-winning culinary team
  • Dedicated meeting planners with experience organizing San Diego-area events
  • Online tools with an Inspiration Gallery and tips and trends to spark your imagination when planning events


Floor Plans & Capacity Chart


Submit RFP

Event Services Hotel Partners

If we don't have the in-house capabilities, your dedicated Marriott event planner will offer recommendations for outside vendors. Please contact the event manager for recommendations.

Contact Us

We'd be delighted to help you explore all the possibilities of planning an extraordinary San Diego meeting or event.


Please contact our sales team at 1-619-692-3800

Event Technology

With Meetings Imagined, we make your events seamless. Wireless Internet, video conferencing and touchscreens can be part of every event - whether you're hosting a conference or collaborative sessions. When needed, our hotel also offers notary services.


When you book with our San Diego Marriott Mission Valley hotel, you'll also be offered a custom web page, complimentary with your event. Hosted and designed by Marriott, your Web page can include messages about your event, logos and links to related information.

Change Language

Marriott offers websites in several languages and a variety of regions to help your travel experience. Please select the option most relevant to you.