San Diego Marriott Mission Valley — Event Spaces, Floor Plans & Capacities

8757 Rio San Diego Dr, San Diego, CA 92108

Planning an event in San Diego? San Diego Marriott Mission Valley has 23 function rooms across 42,756 sq ft3,972 m² of function space. The largest room, Rio Vista Grand Ballroom (Salons A-H), hosts up to 1,100 guests. Capacity figures for every setup style are listed per room below.

Between them, the 23 rooms accommodate theater-style sessions for up to 1,100, seated banquets for 720 and standing receptions for 900. 3 smaller rooms suit breakouts and board meetings. Per-room dimensions and every published setup figure are listed below.

Plan your event in this space — free

Floor plans

Detailed floor plans for San Diego Marriott Mission Valley are published on the venue’s official site.

View official floor plans at Marriott ↗Plan your event in this space — free

Work at this venue? to publish your official floor plans and 360° tours here — free.

Room capacities & dimensions

Room capacities and dimensions for San Diego Marriott Mission Valley
SpaceSq ft / m²CeilingBanquetTheaterClassroomReceptionConferenceU-Shape
Balboa 1 & 2 (combined)Plan this room →864 sq ft80 m²12 ft3.7 m608045903030
Balboa 1, Balboa 2 (each)Plan this room →432 sq ft40 m²12 ft3.7 m2440244016—
Cabrillo 1Plan this room →2,200 sq ft204 m²10 ft3 m1402001001753838
Cabrillo 1 & 2 (combined)Plan this room →3,750 sq ft348 m²10 ft3 m240375175300—20
Cabrillo 2Plan this room →1,550 sq ft144 m²10 ft3 m90125651003232
Falls TerracePlan this room →686 sq ft64 m²———68620——
Fountain TerracePlan this room →3,000 sq ft279 m²————120——
PoolPlan this room →2,800 sq ft260 m²—140——300——
Private Dining Room (PDR)Plan this room →450 sq ft42 m²—3630163520—
Rio Vista Grand Ballroom (Salons A-H)Plan this room →8,448 sq ft785 m²14 ft4.3 m7201,100500900——
Salon APlan this room →704 sq ft65 m²14 ft4.3 m507036603030
Salon BPlan this room →704 sq ft65 m²14 ft4.3 m507036603030
Salon CPlan this room →704 sq ft65 m²14 ft4.3 m507036603030
Salon D, Salon E (each)Plan this room →2,112 sq ft196 m²14 ft4.3 m1502401202505050
Salon FPlan this room →704 sq ft65 m²14 ft4.3 m507036603030
Salon GPlan this room →704 sq ft65 m²14 ft4.3 m507036603030
Salon HPlan this room →704 sq ft65 m²14 ft4.3 m507036603030
Santa Fe 3 & 4 (combined)Plan this room →864 sq ft80 m²12 ft3.7 m608045903030
Santa Fe 3, Santa Fe 4 (each)Plan this room →432 sq ft40 m²12 ft3.7 m2440244016—
Sierra 5 & 6 (combined)Plan this room →1,152 sq ft107 m²12 ft3.7 m90121681004141
Sierra 5, Sierra 6 (each)Plan this room →576 sq ft54 m²12 ft3.7 m406032502323
West LawnPlan this room →4,992 sq ft464 m²—330——500——
Additional spaces (dimensions only) (1)
Additional spaces with published dimensions only at San Diego Marriott Mission Valley
SpaceSq ft / m²Ceiling
Salon D & E (combined)Plan this room →4,224 sq ft392 m²14 ft4.3 m

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 spaces does San Diego Marriott Mission Valley have?
San Diego Marriott Mission Valley has 23 event spaces totaling 42,756 sq ft.
What is the largest event space at San Diego Marriott Mission Valley?
The largest event space at San Diego Marriott Mission Valley is Rio Vista Grand Ballroom (Salons A-H), which holds up to 1,100 guests across 8,448 sq ft.
What is the banquet capacity of Rio Vista Grand Ballroom (Salons A-H) at San Diego Marriott Mission Valley?
Rio Vista Grand Ballroom (Salons A-H) seats up to 720 guests in a banquet layout.
How many people fit in Rio Vista Grand Ballroom (Salons A-H) theater-style?
Rio Vista Grand Ballroom (Salons A-H) holds up to 1,100 guests in a theater setup.
What are the dimensions of Rio Vista Grand Ballroom (Salons A-H)?
Rio Vista Grand Ballroom (Salons A-H) measures 66 × 128 ft (8,448 sq ft) with 14 ft ceilings.

More event venues near San Diego

Other event venues in San Diego, CA

Event venues elsewhere in California

Venues with similar capacity (~1,100 guests)