San Diego Marriott Mission Valley — Event Spaces & 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.
Floor plans
Detailed floor plans for San Diego Marriott Mission Valley are published on the venue’s official site.
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Room capacities & dimensions
| Space | Sq ft / m² | Ceiling | Banquet | Theater | Classroom | Reception | Conference | U-Shape |
|---|---|---|---|---|---|---|---|---|
| Balboa 1 & 2 (combined)Plan this room → | 864 sq ft80 m² | 12 ft3.7 m | 60 | 80 | 45 | 90 | 30 | 30 |
| Balboa 1, Balboa 2 (each)Plan this room → | 432 sq ft40 m² | 12 ft3.7 m | 24 | 40 | 24 | 40 | 16 | — |
| Cabrillo 1Plan this room → | 2,200 sq ft204 m² | 10 ft3 m | 140 | 200 | 100 | 175 | 38 | 38 |
| Cabrillo 1 & 2 (combined)Plan this room → | 3,750 sq ft348 m² | 10 ft3 m | 240 | 375 | 175 | 300 | — | 20 |
| Cabrillo 2Plan this room → | 1,550 sq ft144 m² | 10 ft3 m | 90 | 125 | 65 | 100 | 32 | 32 |
| Falls TerracePlan this room → | 686 sq ft64 m² | — | — | — | 686 | 20 | — | — |
| 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 | — | 36 | 30 | 16 | 35 | 20 | — |
| Rio Vista Grand Ballroom (Salons A-H)Plan this room → | 8,448 sq ft785 m² | 14 ft4.3 m | 720 | 1,100 | 500 | 900 | — | — |
| Salon APlan this room → | 704 sq ft65 m² | 14 ft4.3 m | 50 | 70 | 36 | 60 | 30 | 30 |
| Salon BPlan this room → | 704 sq ft65 m² | 14 ft4.3 m | 50 | 70 | 36 | 60 | 30 | 30 |
| Salon CPlan this room → | 704 sq ft65 m² | 14 ft4.3 m | 50 | 70 | 36 | 60 | 30 | 30 |
| Salon D, Salon E (each)Plan this room → | 2,112 sq ft196 m² | 14 ft4.3 m | 150 | 240 | 120 | 250 | 50 | 50 |
| Salon FPlan this room → | 704 sq ft65 m² | 14 ft4.3 m | 50 | 70 | 36 | 60 | 30 | 30 |
| Salon GPlan this room → | 704 sq ft65 m² | 14 ft4.3 m | 50 | 70 | 36 | 60 | 30 | 30 |
| Salon HPlan this room → | 704 sq ft65 m² | 14 ft4.3 m | 50 | 70 | 36 | 60 | 30 | 30 |
| Santa Fe 3 & 4 (combined)Plan this room → | 864 sq ft80 m² | 12 ft3.7 m | 60 | 80 | 45 | 90 | 30 | 30 |
| Santa Fe 3, Santa Fe 4 (each)Plan this room → | 432 sq ft40 m² | 12 ft3.7 m | 24 | 40 | 24 | 40 | 16 | — |
| Sierra 5 & 6 (combined)Plan this room → | 1,152 sq ft107 m² | 12 ft3.7 m | 90 | 121 | 68 | 100 | 41 | 41 |
| Sierra 5, Sierra 6 (each)Plan this room → | 576 sq ft54 m² | 12 ft3.7 m | 40 | 60 | 32 | 50 | 23 | 23 |
| West LawnPlan this room → | 4,992 sq ft464 m² | — | 330 | — | — | 500 | — | — |
Additional spaces (dimensions only) (1)
| Space | Sq ft / m² | Ceiling |
|---|---|---|
| Salon D & E (combined)Plan this room → | 4,224 sq ft392 m² | 14 ft4.3 m |
Figures from published venue data; blank cells mean the venue hasn’t published that number. Verify final counts with the venue.