Skip to main content
Menu close text
Marriott Logo
Marriott Logo
Help

Select a Language

English(US) Español 简体中文

The Westin South Coast Plaza, Costa Mesa

The Westin South Coast Plaza, Costa Mesa

The Westin South Coast Plaza, Costa Mesa

4.2
 • 
1666 Reviews
Ratings are compiled based on customer ratings provided in satisfaction surveys after guests have completed their stay.
VIEW MAP VIEW MAP
+1 714-540-2500
Cancel
DATES (1 NIGHT) NIGHTS)
Sat, May 17 Sun, May 18 Flexible in May 2025
Sun Mon Tue Wed Thu Fri Sat
NextMay 2025Next
SunMonTueWedThuFriSat
27282930123
45678910
11121314151617
18192021222324
25262728293031
1234567
NextJune 2025 Next
SunMonTueWedThuFriSat
25262728293031
1234567
891011121314
15161718192021
22232425262728
293012345
Sat, May 17-Sun, May 18
Number of Nights
1
Rooms & Guests
Maximum 8 guests per room
Rooms
(Max: 3 Rooms/person)
1
Adults
(Max: 8 total guests/room)
1
Children
(Max: 8 total guests/room)
0
AGE OF CHILDREN (REQUIRED)
Special Rates
  • Costa Mesa Wedding Venues

Events

Start Planning Your Meetings or Events Here

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

Start Your Plan Here

24

Event Rooms

40074 SQ FT

Total Event Space

900

Capacity Largest Space
Capacity Chart | Floor Plans | Equipment and Services
Explore Us Virtually
Take a virtual tour of our centrally located Orange County hotel and view our spacious hotel rooms and suites, WestinWORKOUT® hotel fitness center, heated outdoor pool, and 40,000 square feet of versatile event space.
Learn More
Executive Boardroom

Meeting and Events

Take advantage of over 40,000 square feet of space at our hotel with meeting rooms in Costa Mesa

Learn More
Meetings at The Westin South Coast Plaza, Costa Mesa (PDF)
Meeting Space Capacity Chart (PDF)
Our largest Costa Mesa meeting space, the Plaza Ballroom, has hosted many premier meetings Learn More
Enjoy post-meeting cocktails under the stars, on our outdoor Waterfall Terrace or Rooftop Terrace Learn More
Stay focused with nutritious catering at our hotel with meeting rooms in Costa Mesa Learn More
Our team will see to everything from banquet hall décor to arranging group outings in Costa Mesa Learn More
Get our exclusive rate when booking 10 or more rooms at our hotel with meeting rooms in Costa Mesa Learn More

Experience Costa Mesa

Discover a haven of wellness and renewal to feed your journey in Orange County.

Learn More
Hotel in Costa Mesa, CA
Waterfall Terrace

Weddings and Occasions

Our wedding venues in Costa Mesa, CA, can accommodate intimate bridal parties or grand receptions

Learn More
Celebrate with a reception in the grand Plaza Ballroom wedding venue in Costa Mesa, CA Learn More
Let our outdoor wedding venues in Costa Mesa, CA, inspire your wedding or special event Learn More
Join your wedding guests on a tour of attractions or hit the vibrant nightlife venues in Costa Mesa Learn More
Our venue in Costa Mesa offers a package for Indian weddings; let us honor your cultural traditions Learn More
Choose a wedding package including venue rental, catering and fun group outings in Costa Mesa Learn More
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.
See how we're rewarding events

Please note: all room sizes are approximate.

Feet Meters
Meeting Room Dimensions (LxWxH) Area (sq.ft) Theater Schoolroom Conference U-Shape Reception Banquet
Plaza Ballroom 131.0x58.0x12.0 7598.0 900 500 126 - 900 650
Balboa 29.0x58.0x12.6 1682.0 175 108 50 60 175 150
Costa Mesa 54.0x58.0x12.0 3132.0 300 160 50 69 300 250
Santa Ana 47.0x58.0x12.0 2726.0 225 130 50 60 300 180
Santa Ana/Costa Mesa 101.0x58.0x12.0 5858.0 475 290 102 - 600 480
Costa Mesa/Balboa 83.0x58.0x12.0 4814.0 425 210 108 85 475 400
Viejo 29.0x19.0x12.0 551.0 50 35 20 20 50 40
Capistrano 29.0x19.0x12.0 551.0 50 35 20 20 50 40
Laguna 29.0x19.0x12.0 551.0 50 35 20 20 50 40
Capistrano/Laguna 29.0x38.0x12.0 1102.0 100 70 40 40 100 80
Laguna/Viejo 29.0x38.0x12.0 1102.0 100 70 40 40 100 80
East Galleria 158.0x31.0x12.0 4898.0 - - - - 500 200
Mesa Verde 67.0x32.0x11.0 2144.0 220 130 50 50 70 140
Segerstrom 27.0x11.0x9.0 297.0 - - 16 - - -
Lido 71.0x37.0x12.0 2627.0 300 120 60 50 70 180
Waterfall Terrace 32.0x58.0x- 1856.0 120 - - - 175 100
China Cove 35.0x18.0x12.0 630.0 70 36 25 25 50 50
Monarch Bay 35.0x18.0x12.0 630.0 70 36 24 25 50 50
Catalina -x-x- 3074.0 50 40 25 25 110 100
San Juan/San Marcos 60.0x21.0x8.0 1260.0 100 60 45 40 120 100
San Juan 30.0x21.0x8.0 630.0 60 30 24 21 60 40
San Marcos 30.0x21.0x8.0 630.0 60 30 24 21 60 40
San Pedro/San Diego 60.0x21.0x8.0 1260.0 100 60 45 40 120 100
San Pedro 30.0x21.0x8.0 630.0 60 30 24 21 60 40
San Diego 30.0x21.0x8.0 630.0 60 32 24 21 60 40
San Felipe 30.0x21.0x8.0 630.0 60 32 24 21 60 40
San Carlos 30.0x21.0x8.0 630.0 60 32 24 21 60 40
San Gabriel 30.0x21.0x8.0 630.0 60 32 24 21 60 40
Terrace Pavilion 120.0x38.0x15.0 4560.0 660 275 - - 484 380
Rooftop Terrace 85.0x46.0x- 3910.0 300 - - - 500 -
Cabana Terrace 50.0x40.0x- 2000.0 180 - - - 175 -
Bolsa Chica 18.0x13.0x8.0 234.0 20 12 6 - - 10
Crystal Cove 18.0x13.0x8.0 234.0 20 12 6 - - 10
Del Mar 18.0x13.0x8.0 234.0 20 12 6 - - 10
Emerald Bay 18.0x13.0x8.0 234.0 20 12 6 - - 10
Executive Boardroom 28.0x18.0x8.0 504.0 - - 14 - - -
Plaza Ballroom
Dimensions (LxWxH)
131.0x58.0x12.0
Area (sq.ft)
7598.0
Theater
900
Schoolroom
500
Conference
126
U-Shape
-
Reception
900
Banquet
650
Balboa
Dimensions (LxWxH)
29.0x58.0x12.6
Area (sq.ft)
1682.0
Theater
175
Schoolroom
108
Conference
50
U-Shape
60
Reception
175
Banquet
150
Costa Mesa
Dimensions (LxWxH)
54.0x58.0x12.0
Area (sq.ft)
3132.0
Theater
300
Schoolroom
160
Conference
50
U-Shape
69
Reception
300
Banquet
250
Santa Ana
Dimensions (LxWxH)
47.0x58.0x12.0
Area (sq.ft)
2726.0
Theater
225
Schoolroom
130
Conference
50
U-Shape
60
Reception
300
Banquet
180
Santa Ana/Costa Mesa
Dimensions (LxWxH)
101.0x58.0x12.0
Area (sq.ft)
5858.0
Theater
475
Schoolroom
290
Conference
102
U-Shape
-
Reception
600
Banquet
480
Costa Mesa/Balboa
Dimensions (LxWxH)
83.0x58.0x12.0
Area (sq.ft)
4814.0
Theater
425
Schoolroom
210
Conference
108
U-Shape
85
Reception
475
Banquet
400
Viejo
Dimensions (LxWxH)
29.0x19.0x12.0
Area (sq.ft)
551.0
Theater
50
Schoolroom
35
Conference
20
U-Shape
20
Reception
50
Banquet
40
Capistrano
Dimensions (LxWxH)
29.0x19.0x12.0
Area (sq.ft)
551.0
Theater
50
Schoolroom
35
Conference
20
U-Shape
20
Reception
50
Banquet
40
Laguna
Dimensions (LxWxH)
29.0x19.0x12.0
Area (sq.ft)
551.0
Theater
50
Schoolroom
35
Conference
20
U-Shape
20
Reception
50
Banquet
40
Capistrano/Laguna
Dimensions (LxWxH)
29.0x38.0x12.0
Area (sq.ft)
1102.0
Theater
100
Schoolroom
70
Conference
40
U-Shape
40
Reception
100
Banquet
80
Laguna/Viejo
Dimensions (LxWxH)
29.0x38.0x12.0
Area (sq.ft)
1102.0
Theater
100
Schoolroom
70
Conference
40
U-Shape
40
Reception
100
Banquet
80
East Galleria
Dimensions (LxWxH)
158.0x31.0x12.0
Area (sq.ft)
4898.0
Theater
-
Schoolroom
-
Conference
-
U-Shape
-
Reception
500
Banquet
200
Mesa Verde
Dimensions (LxWxH)
67.0x32.0x11.0
Area (sq.ft)
2144.0
Theater
220
Schoolroom
130
Conference
50
U-Shape
50
Reception
70
Banquet
140
Segerstrom
Dimensions (LxWxH)
27.0x11.0x9.0
Area (sq.ft)
297.0
Theater
-
Schoolroom
-
Conference
16
U-Shape
-
Reception
-
Banquet
-
Lido
Dimensions (LxWxH)
71.0x37.0x12.0
Area (sq.ft)
2627.0
Theater
300
Schoolroom
120
Conference
60
U-Shape
50
Reception
70
Banquet
180
Waterfall Terrace
Dimensions (LxWxH)
32.0x58.0x-
Area (sq.ft)
1856.0
Theater
120
Schoolroom
-
Conference
-
U-Shape
-
Reception
175
Banquet
100
China Cove
Dimensions (LxWxH)
35.0x18.0x12.0
Area (sq.ft)
630.0
Theater
70
Schoolroom
36
Conference
25
U-Shape
25
Reception
50
Banquet
50
Monarch Bay
Dimensions (LxWxH)
35.0x18.0x12.0
Area (sq.ft)
630.0
Theater
70
Schoolroom
36
Conference
24
U-Shape
25
Reception
50
Banquet
50
Catalina
Dimensions (LxWxH)
-x-x-
Area (sq.ft)
3074.0
Theater
50
Schoolroom
40
Conference
25
U-Shape
25
Reception
110
Banquet
100
San Juan/San Marcos
Dimensions (LxWxH)
60.0x21.0x8.0
Area (sq.ft)
1260.0
Theater
100
Schoolroom
60
Conference
45
U-Shape
40
Reception
120
Banquet
100
San Juan
Dimensions (LxWxH)
30.0x21.0x8.0
Area (sq.ft)
630.0
Theater
60
Schoolroom
30
Conference
24
U-Shape
21
Reception
60
Banquet
40
San Marcos
Dimensions (LxWxH)
30.0x21.0x8.0
Area (sq.ft)
630.0
Theater
60
Schoolroom
30
Conference
24
U-Shape
21
Reception
60
Banquet
40
San Pedro/San Diego
Dimensions (LxWxH)
60.0x21.0x8.0
Area (sq.ft)
1260.0
Theater
100
Schoolroom
60
Conference
45
U-Shape
40
Reception
120
Banquet
100
San Pedro
Dimensions (LxWxH)
30.0x21.0x8.0
Area (sq.ft)
630.0
Theater
60
Schoolroom
30
Conference
24
U-Shape
21
Reception
60
Banquet
40
San Diego
Dimensions (LxWxH)
30.0x21.0x8.0
Area (sq.ft)
630.0
Theater
60
Schoolroom
32
Conference
24
U-Shape
21
Reception
60
Banquet
40
San Felipe
Dimensions (LxWxH)
30.0x21.0x8.0
Area (sq.ft)
630.0
Theater
60
Schoolroom
32
Conference
24
U-Shape
21
Reception
60
Banquet
40
San Carlos
Dimensions (LxWxH)
30.0x21.0x8.0
Area (sq.ft)
630.0
Theater
60
Schoolroom
32
Conference
24
U-Shape
21
Reception
60
Banquet
40
San Gabriel
Dimensions (LxWxH)
30.0x21.0x8.0
Area (sq.ft)
630.0
Theater
60
Schoolroom
32
Conference
24
U-Shape
21
Reception
60
Banquet
40
Terrace Pavilion
Dimensions (LxWxH)
120.0x38.0x15.0
Area (sq.ft)
4560.0
Theater
660
Schoolroom
275
Conference
-
U-Shape
-
Reception
484
Banquet
380
Rooftop Terrace
Dimensions (LxWxH)
85.0x46.0x-
Area (sq.ft)
3910.0
Theater
300
Schoolroom
-
Conference
-
U-Shape
-
Reception
500
Banquet
-
Cabana Terrace
Dimensions (LxWxH)
50.0x40.0x-
Area (sq.ft)
2000.0
Theater
180
Schoolroom
-
Conference
-
U-Shape
-
Reception
175
Banquet
-
Bolsa Chica
Dimensions (LxWxH)
18.0x13.0x8.0
Area (sq.ft)
234.0
Theater
20
Schoolroom
12
Conference
6
U-Shape
-
Reception
-
Banquet
10
Crystal Cove
Dimensions (LxWxH)
18.0x13.0x8.0
Area (sq.ft)
234.0
Theater
20
Schoolroom
12
Conference
6
U-Shape
-
Reception
-
Banquet
10
Del Mar
Dimensions (LxWxH)
18.0x13.0x8.0
Area (sq.ft)
234.0
Theater
20
Schoolroom
12
Conference
6
U-Shape
-
Reception
-
Banquet
10
Emerald Bay
Dimensions (LxWxH)
18.0x13.0x8.0
Area (sq.ft)
234.0
Theater
20
Schoolroom
12
Conference
6
U-Shape
-
Reception
-
Banquet
10
Executive Boardroom
Dimensions (LxWxH)
28.0x18.0x8.0
Area (sq.ft)
504.0
Theater
-
Schoolroom
-
Conference
14
U-Shape
-
Reception
-
Banquet
-
Meeting Room Dimensions (LxWxH) Area (sq.mt) Theater Schoolroom Conference U-Shape Reception Banquet
Plaza Ballroom 39.9x17.7x3.7 705.9 900 500 126 - 900 650
Balboa 8.8x17.7x3.8 156.3 175 108 50 60 175 150
Costa Mesa 16.5x17.7x3.7 291 300 160 50 69 300 250
Santa Ana 14.3x17.7x3.7 253.3 225 130 50 60 300 180
Santa Ana/Costa Mesa 30.8x17.7x3.7 544.2 475 290 102 - 600 480
Costa Mesa/Balboa 25.3x17.7x3.7 447.2 425 210 108 85 475 400
Viejo 8.8x5.8x3.7 51.2 50 35 20 20 50 40
Capistrano 8.8x5.8x3.7 51.2 50 35 20 20 50 40
Laguna 8.8x5.8x3.7 51.2 50 35 20 20 50 40
Capistrano/Laguna 8.8x11.6x3.7 102.4 100 70 40 40 100 80
Laguna/Viejo 8.8x11.6x3.7 102.4 100 70 40 40 100 80
East Galleria 48.2x9.4x3.7 455 - - - - 500 200
Mesa Verde 20.4x9.8x3.4 199.2 220 130 50 50 70 140
Segerstrom 8.2x3.4x2.7 27.6 - - 16 - - -
Lido 21.6x11.3x3.7 244.1 300 120 60 50 70 180
Waterfall Terrace 9.8x17.7x- 172.4 120 - - - 175 100
China Cove 10.7x5.5x3.7 58.5 70 36 25 25 50 50
Monarch Bay 10.7x5.5x3.7 58.5 70 36 24 25 50 50
Catalina -x-x- 285.6 50 40 25 25 110 100
San Juan/San Marcos 18.3x6.4x2.4 117.1 100 60 45 40 120 100
San Juan 9.1x6.4x2.4 58.5 60 30 24 21 60 40
San Marcos 9.1x6.4x2.4 58.5 60 30 24 21 60 40
San Pedro/San Diego 18.3x6.4x2.4 117.1 100 60 45 40 120 100
San Pedro 9.1x6.4x2.4 58.5 60 30 24 21 60 40
San Diego 9.1x6.4x2.4 58.5 60 32 24 21 60 40
San Felipe 9.1x6.4x2.4 58.5 60 32 24 21 60 40
San Carlos 9.1x6.4x2.4 58.5 60 32 24 21 60 40
San Gabriel 9.1x6.4x2.4 58.5 60 32 24 21 60 40
Terrace Pavilion 36.6x11.6x4.6 423.6 660 275 - - 484 380
Rooftop Terrace 25.9x14x- 363.2 300 - - - 500 -
Cabana Terrace 15.2x12.2x- 185.8 180 - - - 175 -
Bolsa Chica 5.5x4x2.4 21.7 20 12 6 - - 10
Crystal Cove 5.5x4x2.4 21.7 20 12 6 - - 10
Del Mar 5.5x4x2.4 21.7 20 12 6 - - 10
Emerald Bay 5.5x4x2.4 21.7 20 12 6 - - 10
Executive Boardroom 8.5x5.5x2.4 46.8 - - 14 - - -
Plaza Ballroom
Dimensions (LxWxH)
39.9x17.7x3.7
Area (sq.mt)
705.9
Theater
900
Schoolroom
500
Conference
126
U-Shape
-
Reception
900
Banquet
650
Balboa
Dimensions (LxWxH)
8.8x17.7x3.8
Area (sq.mt)
156.3
Theater
175
Schoolroom
108
Conference
50
U-Shape
60
Reception
175
Banquet
150
Costa Mesa
Dimensions (LxWxH)
16.5x17.7x3.7
Area (sq.mt)
291
Theater
300
Schoolroom
160
Conference
50
U-Shape
69
Reception
300
Banquet
250
Santa Ana
Dimensions (LxWxH)
14.3x17.7x3.7
Area (sq.mt)
253.3
Theater
225
Schoolroom
130
Conference
50
U-Shape
60
Reception
300
Banquet
180
Santa Ana/Costa Mesa
Dimensions (LxWxH)
30.8x17.7x3.7
Area (sq.mt)
544.2
Theater
475
Schoolroom
290
Conference
102
U-Shape
-
Reception
600
Banquet
480
Costa Mesa/Balboa
Dimensions (LxWxH)
25.3x17.7x3.7
Area (sq.mt)
447.2
Theater
425
Schoolroom
210
Conference
108
U-Shape
85
Reception
475
Banquet
400
Viejo
Dimensions (LxWxH)
8.8x5.8x3.7
Area (sq.mt)
51.2
Theater
50
Schoolroom
35
Conference
20
U-Shape
20
Reception
50
Banquet
40
Capistrano
Dimensions (LxWxH)
8.8x5.8x3.7
Area (sq.mt)
51.2
Theater
50
Schoolroom
35
Conference
20
U-Shape
20
Reception
50
Banquet
40
Laguna
Dimensions (LxWxH)
8.8x5.8x3.7
Area (sq.mt)
51.2
Theater
50
Schoolroom
35
Conference
20
U-Shape
20
Reception
50
Banquet
40
Capistrano/Laguna
Dimensions (LxWxH)
8.8x11.6x3.7
Area (sq.mt)
102.4
Theater
100
Schoolroom
70
Conference
40
U-Shape
40
Reception
100
Banquet
80
Laguna/Viejo
Dimensions (LxWxH)
8.8x11.6x3.7
Area (sq.mt)
102.4
Theater
100
Schoolroom
70
Conference
40
U-Shape
40
Reception
100
Banquet
80
East Galleria
Dimensions (LxWxH)
48.2x9.4x3.7
Area (sq.mt)
455
Theater
-
Schoolroom
-
Conference
-
U-Shape
-
Reception
500
Banquet
200
Mesa Verde
Dimensions (LxWxH)
20.4x9.8x3.4
Area (sq.mt)
199.2
Theater
220
Schoolroom
130
Conference
50
U-Shape
50
Reception
70
Banquet
140
Segerstrom
Dimensions (LxWxH)
8.2x3.4x2.7
Area (sq.mt)
27.6
Theater
-
Schoolroom
-
Conference
16
U-Shape
-
Reception
-
Banquet
-
Lido
Dimensions (LxWxH)
21.6x11.3x3.7
Area (sq.mt)
244.1
Theater
300
Schoolroom
120
Conference
60
U-Shape
50
Reception
70
Banquet
180
Waterfall Terrace
Dimensions (LxWxH)
9.8x17.7x-
Area (sq.mt)
172.4
Theater
120
Schoolroom
-
Conference
-
U-Shape
-
Reception
175
Banquet
100
China Cove
Dimensions (LxWxH)
10.7x5.5x3.7
Area (sq.mt)
58.5
Theater
70
Schoolroom
36
Conference
25
U-Shape
25
Reception
50
Banquet
50
Monarch Bay
Dimensions (LxWxH)
10.7x5.5x3.7
Area (sq.mt)
58.5
Theater
70
Schoolroom
36
Conference
24
U-Shape
25
Reception
50
Banquet
50
Catalina
Dimensions (LxWxH)
-x-x-
Area (sq.mt)
285.6
Theater
50
Schoolroom
40
Conference
25
U-Shape
25
Reception
110
Banquet
100
San Juan/San Marcos
Dimensions (LxWxH)
18.3x6.4x2.4
Area (sq.mt)
117.1
Theater
100
Schoolroom
60
Conference
45
U-Shape
40
Reception
120
Banquet
100
San Juan
Dimensions (LxWxH)
9.1x6.4x2.4
Area (sq.mt)
58.5
Theater
60
Schoolroom
30
Conference
24
U-Shape
21
Reception
60
Banquet
40
San Marcos
Dimensions (LxWxH)
9.1x6.4x2.4
Area (sq.mt)
58.5
Theater
60
Schoolroom
30
Conference
24
U-Shape
21
Reception
60
Banquet
40
San Pedro/San Diego
Dimensions (LxWxH)
18.3x6.4x2.4
Area (sq.mt)
117.1
Theater
100
Schoolroom
60
Conference
45
U-Shape
40
Reception
120
Banquet
100
San Pedro
Dimensions (LxWxH)
9.1x6.4x2.4
Area (sq.mt)
58.5
Theater
60
Schoolroom
30
Conference
24
U-Shape
21
Reception
60
Banquet
40
San Diego
Dimensions (LxWxH)
9.1x6.4x2.4
Area (sq.mt)
58.5
Theater
60
Schoolroom
32
Conference
24
U-Shape
21
Reception
60
Banquet
40
San Felipe
Dimensions (LxWxH)
9.1x6.4x2.4
Area (sq.mt)
58.5
Theater
60
Schoolroom
32
Conference
24
U-Shape
21
Reception
60
Banquet
40
San Carlos
Dimensions (LxWxH)
9.1x6.4x2.4
Area (sq.mt)
58.5
Theater
60
Schoolroom
32
Conference
24
U-Shape
21
Reception
60
Banquet
40
San Gabriel
Dimensions (LxWxH)
9.1x6.4x2.4
Area (sq.mt)
58.5
Theater
60
Schoolroom
32
Conference
24
U-Shape
21
Reception
60
Banquet
40
Terrace Pavilion
Dimensions (LxWxH)
36.6x11.6x4.6
Area (sq.mt)
423.6
Theater
660
Schoolroom
275
Conference
-
U-Shape
-
Reception
484
Banquet
380
Rooftop Terrace
Dimensions (LxWxH)
25.9x14x-
Area (sq.mt)
363.2
Theater
300
Schoolroom
-
Conference
-
U-Shape
-
Reception
500
Banquet
-
Cabana Terrace
Dimensions (LxWxH)
15.2x12.2x-
Area (sq.mt)
185.8
Theater
180
Schoolroom
-
Conference
-
U-Shape
-
Reception
175
Banquet
-
Bolsa Chica
Dimensions (LxWxH)
5.5x4x2.4
Area (sq.mt)
21.7
Theater
20
Schoolroom
12
Conference
6
U-Shape
-
Reception
-
Banquet
10
Crystal Cove
Dimensions (LxWxH)
5.5x4x2.4
Area (sq.mt)
21.7
Theater
20
Schoolroom
12
Conference
6
U-Shape
-
Reception
-
Banquet
10
Del Mar
Dimensions (LxWxH)
5.5x4x2.4
Area (sq.mt)
21.7
Theater
20
Schoolroom
12
Conference
6
U-Shape
-
Reception
-
Banquet
10
Emerald Bay
Dimensions (LxWxH)
5.5x4x2.4
Area (sq.mt)
21.7
Theater
20
Schoolroom
12
Conference
6
U-Shape
-
Reception
-
Banquet
10
Executive Boardroom
Dimensions (LxWxH)
8.5x5.5x2.4
Area (sq.mt)
46.8
Theater
-
Schoolroom
-
Conference
14
U-Shape
-
Reception
-
Banquet
-
Banquet
Generally used for meals and sessions involving small group discussions. A five foot round table seats eight people comfortably. A six foot round table seats 10 people comfortably.
Conference and Hollow Square
Appropriate for interactive discussions and note-taking sessions for fewer than 25 people. Many hotels have elegant "boardrooms" for 10 to 20 people, equipped with full audiovisual capabilities, a writing board, cork board and a flip chart.
E-Shape, U-Shape and T-Shape
Appropriate for groups of fewer than 40 people. These are best for interaction with a leader seated at the head of the setup. Audiovisual is usually best set up at the open end of the seating.
Theater
Appropriate for large sessions and short lectures that do not require extensive note-taking. This is a convenient setup to use before breaking into discussion or role-playing groups because chairs can be moved.
Reception
Stand-up social function where beverages and light foods are served. Foods may be presented on small buffet tables or passed by servers. May precede a meal function.
Schoolroom or Classroom
The most desirable setup for medium to large-size lectures. Requires a relatively large room. Tables provide attendees with space for spreading out materials and taking notes.
Ovals and Rounds
Generally used for meals and sessions involving small group discussions. A five foot round table seats eight people comfortably. A six foot round table seats 10 people comfortably.

Audio-Visual Equipment

  • PA System

Event Equipment & Supplies

  • Blackboards
  • Installed Stage
  • Lobby Bulletin Board
  • Podium Lectern
  • Polling Devices
  • Portable Stage
  • Spotlights
  • Stack Chairs
  • Tables

Business Services

  • Computers
  • Fax Service
  • Overnight Delivery/Pickup
  • Post/Parcel
  • Printers

Frequently Asked Questions

The Westin South Coast Plaza, Costa Mesa has 24 event rooms.

The largest capacity event room is the Plaza Ballroom. It has a capacity of 900.

Yes, The Westin South Coast Plaza, Costa Mesa provides wedding services.

To book a meeting or event at The Westin South Coast Plaza, Costa Mesa click here

THE WESTIN SOUTH COAST PLAZA, COSTA MESA

Overview Gallery Accommodations Dining Wellness Events

© 1996 – 2025 Marriott International, Inc. All rights reserved. Marriott Proprietary Information

English
Careers Opens a new window Terms of Use Program Terms & Conditions Privacy Center Digital Accessibility Sustainability in the Supply Chain Site Map Hotel Site Map Help Opens a new window