The Westin Long Beach — Event Spaces, Floor Plans & Capacities

333 E Ocean Blvd, Long Beach, CA 90802

30 rooms · largest space: Centennial Ballroom, 13,392 sq ft1,244 m²

With 30 event rooms, The Westin Long Beach is a flexible choice for meetings and celebrations in Long Beach. The largest space is Centennial Ballroom, 13,392 sq ft1,244 m². It holds up to 1,540 guests. Full capacity details for each room are below.

Plan an event in Centennial Ballroom: open a free to-scale layout seating 800 at round tables in its 72 × 186 ft footprint at floors.live/start — no account needed.

Between them, the 30 rooms accommodate theater-style sessions for up to 1,540, seated banquets for 1,000 and standing receptions for 1,540. 9 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

Unverified listing — compiled from The Westin Long Beach’s published information. Venue staff can verify capacities and setups free: floors.live/venues/us/california/long-beach/the-westin-long-beach/?claim=1.

Floor plans

Detailed floor plans for The Westin Long Beach are published on the venue’s official site.

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

Work at The Westin Long Beach? to publish your official floor plans and 360° tours here — free.

Room capacities & dimensions

30 rooms, 38 configurations. Combined and divided set-ups are listed under their room.

Room capacities and dimensions for The Westin Long Beach
SpaceCeiling
A TerracePlan this room →4,104 sq ft381 m²—270——400——
Alamitos BoardroomPlan this room →384 sq ft36 m²10 ft3 m————12—
BarcelonaPlan this room →756 sq ft70 m²10 ft3 m507540752525
CasablancaPlan this room →756 sq ft70 m²10 ft3 m507540752525
1 configuration with Casablanca
Combined and divided set-ups that include Casablanca
ConfigurationSq ft / m²CeilingBanquetTheaterClassroomReceptionConferenceU-Shape
Barcelona / CasablancaPlan this room →1,512 sq ft140 m²10 ft3 m100150801504444
Centennial APlan this room →3,744 sq ft348 m²14 ft4.3 m3003902003906060
6 configurations with Centennial A
Combined and divided set-ups that include Centennial A
ConfigurationSq ft / m²CeilingBanquetTheaterClassroomReceptionConferenceU-Shape
Centennial A / ExtensionPlan this room →4,608 sq ft428 m²14 ft4.3 m3504502404508080
Centennial ABPlan this room →9,792 sq ft910 m²14 ft4.3 m630840440800—160
Centennial B / ExtensionPlan this room →6,048 sq ft562 m²14 ft4.3 m3504502404508080
Centennial BCDPlan this room →8,784 sq ft816 m²14 ft4.3 m620800—760—170
Centennial CDPlan this room →4,248 sq ft395 m²14 ft4.3 m290350—360—80
Centennial CD / ExtensionPlan this room →4,464 sq ft415 m²14 ft4.3 m2504002404008080
Centennial BPlan this room →4,320 sq ft401 m²14 ft4.3 m3003902003907070
Centennial BallroomPlan this room →13,392 sq ft1,244 m²14 ft4.3 m1,0001,5408001,540—50
Centennial Ballroom FoyerPlan this room →10,275 sq ft955 m²14 ft4.3 m———600——
Centennial CPlan this room →2,232 sq ft207 m²14 ft4.3 m1502001202004141
Centennial DPlan this room →1,800 sq ft167 m²14 ft4.3 m100150841504141
Centennial PrefunctionPlan this room →—10 ft3 m11073—4316016
Cerritos BoardroomPlan this room →384 sq ft36 m²10 ft3 m————1210
Long Beach Convention CenterPlan this room →13,392 sq ft1,244 m²14.5 ft4.4 m1,0001,5408001,00080085
MarinaPlan this room →648 sq ft60 m²10 ft3 m305030502222
MelbournePlan this room →784 sq ft73 m²10 ft3 m506040752525
NaplesPlan this room →560 sq ft52 m²10 ft3 m304025502020
Ocean BallroomPlan this room →2,250 sq ft209 m²12 ft3.7 m190200120200—52
Ocean Terrace EastPlan this room →1,298 sq ft121 m²—100——150——
Ocean Terrace WestPlan this room →1,627 sq ft151 m²—140——240——
OdessaPlan this room →506 sq ft47 m²10 ft3 m304025502020
Palos VerdesPlan this room →648 sq ft60 m²10 ft3 m305030502222
Patio GrillePlan this room →7,107 sq ft660 m²—150300—300——
PavilionPlan this room →10,000 sq ft929 m²—600800—700——
ShanghaiPlan this room →506 sq ft47 m²10 ft3 m304025502020
Shoreline BallroomPlan this room →1,014 sq ft94 m²13 ft4 m60503060—24
TokyoPlan this room →506 sq ft47 m²10 ft3 m304025502020
VancouverPlan this room →528 sq ft49 m²10 ft3 m304025502020
1 configuration with Vancouver
Combined and divided set-ups that include Vancouver
ConfigurationSq ft / m²CeilingBanquetTheaterClassroomReceptionConferenceU-Shape
Tokyo / VancouverPlan this room →1,034 sq ft96 m²10 ft3 m80100501004040
WLB To Be ConfirmedPlan this room →13,392 sq ft1,244 m²14 ft4.3 m1,0001,5408001,5401,200150
Additional spaces (dimensions only) (2)
Additional spaces with published dimensions only at The Westin Long Beach
SpaceSq ft / m²Ceiling
Tokyo TerracePlan this room →1,295 sq ft120 m²—
Vancouver TerracePlan this room →1,295 sq ft120 m²—

Figures from published venue data; blank cells mean the venue hasn’t published that number. Verify final counts with the venue.

Sizing another room? Try the event room capacity calculator or the floor plan scale converter.

Frequently asked questions

What is the floor plan of The Westin Long Beach?

The Westin Long Beach has 30 rooms. The largest space is Centennial Ballroom, 13,392 sq ft (72 × 186 ft). Every room's dimensions and seating capacity by setup are listed on this page. The Westin Long Beach's own floor plans are published on its website, linked from this page.

How many event rooms does The Westin Long Beach have?

The Westin Long Beach has 30 rooms. 38 configurations are listed on this page.

What is the largest space at The Westin Long Beach?

Centennial Ballroom, 13,392 sq ft: 72 × 186 ft, 1,000 banquet / 1,540 theater.

How many people can The Westin Long Beach seat for a banquet?

Up to 1,000 in Centennial Ballroom. The next largest room, Long Beach Convention Center, seats 1,000.

What is the ceiling height at The Westin Long Beach?

The highest ceiling is 14.5 ft, in Long Beach Convention Center.

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