What is the banquet capacity of Grand Pacific Ballroom at Seattle Marriott Waterfront?

Grand Pacific Ballroom seats up to 600 guests in a banquet layout.

How many people fit in Grand Pacific Ballroom theater-style?

Grand Pacific Ballroom holds up to 900 guests in a theater setup.

How many event spaces does Seattle Marriott Waterfront have?

Seattle Marriott Waterfront has 23 event spaces totaling 46,738 sq ft.

Seattle Marriott Waterfront — Event Spaces & Capacities

2100 Alaskan Wy, Seattle, WA 98121

Planning an event in Seattle? Seattle Marriott Waterfront has 23 function rooms across 46,738 sq ft4,342 m² of function space. The largest room, Grand Pacific Ballroom, hosts up to 900 guests. Capacity figures for every setup style are listed per room below.

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Floor plans

Detailed floor plans for Seattle Marriott Waterfront are published on the venue’s official site.

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Room capacities & dimensions

Room capacities and dimensions for Seattle Marriott Waterfront
Space	Sq ft / m²	Ceiling	Banquet	Theater	Classroom	Reception	Conference	U-Shape
Executive BoardroomPlan this room →	700 sq ft65 m²	11 ft3.4 m	—	—	—	—	13	—
Grand Pacific APlan this room →	660 sq ft61 m²	16 ft4.9 m	40	54	32	75	20	18
Grand Pacific A-CPlan this room →	2,340 sq ft217 m²	16 ft4.9 m	140	198	102	240	64	58
Grand Pacific A-DPlan this room →	5,538 sq ft514 m²	16 ft4.9 m	340	522	312	530	104	112
Grand Pacific ABPlan this room →	1,650 sq ft153 m²	16 ft4.9 m	90	144	75	165	44	40
Grand Pacific BPlan this room →	960 sq ft89 m²	16 ft4.9 m	50	84	32	90	24	21
Grand Pacific BallroomPlan this room →	7,931 sq ft737 m²	16 ft4.9 m	600	900	520	800	—	—
Grand Pacific BCPlan this room →	1,650 sq ft153 m²	16 ft4.9 m	90	144	75	165	44	40
Grand Pacific CPlan this room →	660 sq ft61 m²	16 ft4.9 m	40	54	32	75	20	18
Grand Pacific DPlan this room →	3,157 sq ft293 m²	16 ft4.9 m	180	324	210	290	40	55
Grand Pacific D-GPlan this room →	5,538 sq ft514 m²	16 ft4.9 m	340	522	312	530	104	112
Grand Pacific EPlan this room →	660 sq ft61 m²	16 ft4.9 m	40	54	32	75	20	18
Grand Pacific E-GPlan this room →	2,340 sq ft217 m²	16 ft4.9 m	140	198	102	240	64	58
Grand Pacific EFPlan this room →	1,650 sq ft153 m²	16 ft4.9 m	90	144	75	165	44	40
Grand Pacific FPlan this room →	960 sq ft89 m²	16 ft4.9 m	50	84	32	90	24	21
Grand Pacific FGPlan this room →	1,650 sq ft153 m²	16 ft4.9 m	90	144	75	165	44	40
Grand Pacific GPlan this room →	713 sq ft66 m²	16 ft4.9 m	40	54	32	75	20	18
Harbor RoomPlan this room →	1,026 sq ft95 m²	11 ft3.4 m	50	88	45	100	26	30
Hook & PlowPlan this room →	4,800 sq ft446 m²	—	200	—	—	250	—	—
Maritime RoomPlan this room →	299 sq ft28 m²	9 ft2.7 m	—	—	—	—	14	—
Private Dining RoomPlan this room →	530 sq ft49 m²	—	30	30	—	25	14	—
Seaport RoomPlan this room →	1,026 sq ft95 m²	11 ft3.4 m	50	88	45	100	26	30

Additional spaces (dimensions only) (1)

Additional spaces with published dimensions only at Seattle Marriott Waterfront
Space	Sq ft / m²	Ceiling
RegistrationPlan this room →	300 sq ft28 m²	—

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