The Westin San Diego Gaslamp Quarter — Event Spaces, Floor Plans & Capacities
910 Broadway Cir, San Diego, CA 92101
The Westin San Diego Gaslamp Quarter gives San Diego event planners 47 spaces to work with across 82,747 sq ft7,687 m² of function space. The largest room, California Ballroom, hosts up to 950 guests. Review the layouts and seating capacities below, then test your setup in 3D — free.
Across its 47 spaces, The Westin San Diego Gaslamp Quarter handles theater-style sessions for up to 900, seated banquets for 690 and standing receptions for 950. 8 smaller rooms suit breakouts and board meetings. Exact figures for every room and setup style are in the chart below.
Floor plans
Detailed floor plans for The Westin San Diego Gaslamp Quarter are published on the venue’s official site.
Work at this venue? to publish your official floor plans and 360° tours here — free.
Room capacities & dimensions
| Space | Ceiling | |||||||
|---|---|---|---|---|---|---|---|---|
| BalboaPlan this room → | 700 sq ft65 m² | 8 ft2.4 m | 48 | 60 | 30 | 70 | 20 | 22 |
| Balboa PassagePlan this room → | 416 sq ft39 m² | 8 ft2.4 m | — | — | — | 30 | 3 | — |
| California BallroomPlan this room → | 9,064 sq ft842 m² | 16 ft4.9 m | 690 | 900 | 480 | 950 | — | 246 |
| California Ballroom APlan this room → | 3,080 sq ft286 m² | 16 ft4.9 m | 230 | 300 | 168 | 315 | 84 | 82 |
| California Ballroom ABPlan this room → | 5,984 sq ft556 m² | 16 ft4.9 m | 460 | 600 | 336 | 630 | 168 | 164 |
| California Ballroom BPlan this room → | 2,904 sq ft270 m² | 16 ft4.9 m | 230 | 300 | 168 | 315 | 84 | 82 |
| California Ballroom BCPlan this room → | 5,984 sq ft556 m² | 16 ft4.9 m | 460 | 600 | 336 | 630 | 168 | 164 |
| California Ballroom CPlan this room → | 3,080 sq ft286 m² | 16 ft4.9 m | 230 | 300 | 168 | 315 | 84 | 82 |
| Cardiff APlan this room → | 168 sq ft16 m² | 8 ft2.4 m | 10 | 15 | 6 | — | 8 | — |
| Cardiff BPlan this room → | 156 sq ft14 m² | 8 ft2.4 m | 10 | 15 | 6 | — | 8 | — |
| Cardiff CPlan this room → | 126 sq ft12 m² | 8 ft2.4 m | — | 12 | — | — | 6 | — |
| Cardiff DPlan this room → | 224 sq ft21 m² | 8 ft2.4 m | 10 | 16 | 6 | — | 8 | — |
| CoronadoPlan this room → | 850 sq ft79 m² | 8 ft2.4 m | 50 | 80 | 40 | 85 | 28 | 30 |
| Del MarPlan this room → | 1,147 sq ft107 m² | 10 ft3 m | 80 | 112 | 72 | 115 | 26 | 31 |
| Garden TerracePlan this room → | 5,778 sq ft537 m² | 9 ft2.7 m | 350 | — | — | 600 | — | — |
| HarborPlan this room → | 1,200 sq ft111 m² | 8 ft2.4 m | 80 | 120 | 60 | 125 | 48 | 40 |
| Harbor APlan this room → | 600 sq ft56 m² | 8 ft2.4 m | 40 | 60 | 30 | 60 | 20 | 22 |
| Harbor BPlan this room → | 600 sq ft56 m² | 8 ft2.4 m | 40 | 60 | 30 | 60 | 20 | 22 |
| Harbor TerracePlan this room → | 2,043 sq ft190 m² | — | 80 | — | — | 150 | — | — |
| Imperial BoardroomPlan this room → | 630 sq ft59 m² | 10 ft3 m | 40 | 60 | 28 | 70 | 20 | 20 |
| La JollaPlan this room → | 1,240 sq ft115 m² | 11 ft3.4 m | 80 | 112 | 72 | 120 | 28 | 35 |
| Pacifica BoardroomPlan this room → | 630 sq ft59 m² | 10 ft3 m | — | — | — | — | 20 | — |
| PlazaPlan this room → | 1,740 sq ft162 m² | 10 ft3 m | 130 | 200 | 100 | 185 | 58 | 52 |
| Plaza APlan this room → | 580 sq ft54 m² | 10 ft3 m | 50 | 66 | 32 | 60 | 20 | 24 |
| Plaza ABPlan this room → | 1,160 sq ft108 m² | 10 ft3 m | 90 | 132 | 66 | 120 | 38 | 40 |
| Plaza BPlan this room → | 580 sq ft54 m² | 10 ft3 m | 40 | 66 | 32 | 60 | 20 | 24 |
| Plaza BCPlan this room → | 1,160 sq ft108 m² | 10 ft3 m | 80 | 132 | 66 | 120 | 38 | 40 |
| Plaza CPlan this room → | 580 sq ft54 m² | 10 ft3 m | 40 | 66 | 32 | 60 | 20 | 24 |
| PoolPlan this room → | 1,577 sq ft147 m² | 19 ft5.8 m | — | — | — | 60 | — | — |
| Private Dining RoomPlan this room → | 520 sq ft48 m² | 14 ft4.3 m | 40 | 50 | 42 | 55 | 23 | 22 |
| San Diego BallroomPlan this room → | 5,940 sq ft552 m² | 18 ft5.5 m | 430 | 650 | 300 | 600 | — | 164 |
| San Diego FoyerPlan this room → | 330 sq ft31 m² | 10 ft3 m | — | — | — | — | 3 | — |
| Santa FePlan this room → | 1,128 sq ft105 m² | 10 ft3 m | 80 | 144 | 72 | 115 | 40 | 46 |
| SierraPlan this room → | 1,150 sq ft107 m² | 10 ft3 m | 80 | 110 | 48 | 120 | — | — |
| Sierra APlan this room → | 575 sq ft53 m² | 10 ft3 m | 40 | 60 | 27 | 60 | 20 | 18 |
| Sierra BPlan this room → | 575 sq ft53 m² | 10 ft3 m | 40 | 60 | 27 | 60 | 20 | 18 |
| SolanaPlan this room → | 336 sq ft31 m² | 11 ft3.4 m | 20 | 30 | 16 | 30 | 14 | — |
Additional spaces (dimensions only) (10)
| Space | Sq ft / m² | Ceiling |
|---|---|---|
| California FoyerPlan this room → | 1,500 sq ft139 m² | — |
| CardiffPlan this room → | 700 sq ft65 m² | 8 ft2.4 m |
| Coronado LoungePlan this room → | 572 sq ft53 m² | 10 ft3 m |
| Garden Terrace 1Plan this room → | 1,890 sq ft176 m² | — |
| Garden Terrace 1 & 2Plan this room → | 3,834 sq ft356 m² | — |
| Garden Terrace 2Plan this room → | 1,890 sq ft176 m² | — |
| Garden Terrace 2 & 3Plan this room → | 3,834 sq ft356 m² | — |
| Garden Terrace 3Plan this room → | 1,890 sq ft176 m² | — |
| Harbor FoyerPlan this room → | 800 sq ft74 m² | 10 ft3 m |
| Santa Fe FoyerPlan this room → | 1,302 sq ft121 m² | 12 ft3.7 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 The Westin San Diego Gaslamp Quarter have?
- The Westin San Diego Gaslamp Quarter has 47 event spaces totaling 82,747 sq ft.
- What is the largest event space at The Westin San Diego Gaslamp Quarter?
- The largest event space at The Westin San Diego Gaslamp Quarter is California Ballroom, which holds up to 950 guests across 9,064 sq ft.
- What is the banquet capacity of California Ballroom at The Westin San Diego Gaslamp Quarter?
- California Ballroom seats up to 690 guests in a banquet layout.
- How many people fit in California Ballroom theater-style?
- California Ballroom holds up to 900 guests in a theater setup.
- What are the dimensions of California Ballroom?
- California Ballroom measures 88 × 103 ft (9,064 sq ft) with 16 ft ceilings.
More event venues near San Diego
Other event venues in San Diego, CA
- Manchester Grand Hyatt San Diego · 265 spaces
- Top of the Hyatt · 199 spaces
- Hilton San Diego Bayfront · 115 spaces
- Sheraton San Diego Resort · 97 spaces
- Hilton San Diego Mission Valley · 34 spaces
- San Diego Marriott Mission Valley · 23 spaces
- San Diego Marriott Del Mar · 17 spaces
- Sheraton Mission Valley San Diego Hotel · 14 spaces
- Carte Hotel San Diego Downtown, Curio Collection by Hilton · 10 spaces
- Courtyard by Marriott San Diego Old Town · 8 spaces
Event venues elsewhere in California
- San Francisco Marriott · San Francisco
- San Francisco Marriott Marquis · San Francisco
- Hyatt Regency Orange County · Garden Grove
- The Westin Bonaventure Hotel & Suites, Los Angeles · Los Angeles
- Oakland Marriott City Center · Oakland
- Omni Los Angeles Hotel · Los Angeles
- JW Marriott Los Angeles L.A. LIVE · Los Angeles
- The Ritz-Carlton, Los Angeles · Los Angeles
Venues with similar capacity (~950 guests)
- Renaissance Phoenix Downtown Hotel · Phoenix, AZ
- Louisville Marriott East · Louisville, KY
- Marriott Cincinnati North · West Chester Township, OH
- Marriott Orlando Airport Lakeside · Orlando, FL
- JW Marriott Chicago · Chicago, IL
- Embassy Suites by Hilton Boca Raton · Boca Raton, FL