Start Planning Your Meetings or Events Here

Tell us about your event, then we'll contact you and plan it together


Event Rooms

37098 SQ FT

Total Event Space


Capacity Largest Space


Breakout Rooms
Happy Hour At The DEN - Exclusive Bar & Patio
Enjoy the beautiful San Diego sunset with craft cocktails, beers, locally sourced wines and delicious appetizers fireside or at the bar. Happy Hour is served Monday through Friday from 3pm to 6pm. Be sure to ask your server for the day's special offerings.
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Executive Boardroom

Meeting and Events

Host your next meeting in one of our 12 event rooms, featuring over 32,000 square feet of space

Seat up to 1,100 attendees in the Rio Vista Grand Ballroom, take our Virtual Tour to visualize it. Learn More
Find everything you need for your meeting, just ask on of our team and we will be happy to assist
Take your meeting to the next level with our Mission Bay venues' high-tech audiovisual equipment
Download the MeetingMatrix to view diagrams of our event rooms in San Diego Learn More
Fuel your meeting attendees in any venue with a coffee break or meal from our culinary team

Meetings at San Diego Marriott Mission Valley

Close to downtown, shopping and beaches, our San Diego Marriott Mission Valley Hotel offers 28,000 square feet of meeting and event space. Take events from inspiration to implementation with Meetings Imagined —a new offering that’s a perfect addition to our flexible space.

West Lawn - Rounds Setup

Weddings and Occasions

Choose from 32,000 square feet of Mission Valley wedding venue space for your special day

The Rio Vista Grand Ballroom accommodates up to 900 guests when arranged in a reception-style setup Learn More
Work with our award-winning chef to plan a wedding menu that reflects your style and tastes
Say "I do" to the love of your life in our elegant wedding and reception venues in San Diego
Invite up to 500 wedding guests for a lavish outdoor reception on our West Lawn
Trust our professional wedding planners to take care of every detail for your special day
private dining austin
Rewarding Travel from start to Finish
Earn up to 60,000 points per qualified event with Marriott Bonvoy Events. Elite members earn more with bonus points.


Manage event details, make real-time requests and connect with our staff - from the palm of your hand.

Please note: all room sizes are approximate.

Frequently Asked Questions