Seattle Marriott Waterfront — Event Spaces, Floor Plans & 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.

Between them, the 23 rooms accommodate theater-style sessions for up to 900, seated banquets for 600 and standing receptions for 800. 3 smaller rooms suit breakouts and board meetings. Per-room dimensions and every published setup figure are listed 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
SpaceSq ft / m²CeilingBanquetTheaterClassroomReceptionConferenceU-Shape
Executive BoardroomPlan this room →700 sq ft65 m²11 ft3.4 m————13—
Grand Pacific APlan this room →660 sq ft61 m²16 ft4.9 m405432752018
Grand Pacific A-CPlan this room →2,340 sq ft217 m²16 ft4.9 m1401981022406458
Grand Pacific A-DPlan this room →5,538 sq ft514 m²16 ft4.9 m340522312530104112
Grand Pacific ABPlan this room →1,650 sq ft153 m²16 ft4.9 m90144751654440
Grand Pacific BPlan this room →960 sq ft89 m²16 ft4.9 m508432902421
Grand Pacific BallroomPlan this room →7,931 sq ft737 m²16 ft4.9 m600900520800——
Grand Pacific BCPlan this room →1,650 sq ft153 m²16 ft4.9 m90144751654440
Grand Pacific CPlan this room →660 sq ft61 m²16 ft4.9 m405432752018
Grand Pacific DPlan this room →3,157 sq ft293 m²16 ft4.9 m1803242102904055
Grand Pacific D-GPlan this room →5,538 sq ft514 m²16 ft4.9 m340522312530104112
Grand Pacific EPlan this room →660 sq ft61 m²16 ft4.9 m405432752018
Grand Pacific E-GPlan this room →2,340 sq ft217 m²16 ft4.9 m1401981022406458
Grand Pacific EFPlan this room →1,650 sq ft153 m²16 ft4.9 m90144751654440
Grand Pacific FPlan this room →960 sq ft89 m²16 ft4.9 m508432902421
Grand Pacific FGPlan this room →1,650 sq ft153 m²16 ft4.9 m90144751654440
Grand Pacific GPlan this room →713 sq ft66 m²16 ft4.9 m405432752018
Harbor RoomPlan this room →1,026 sq ft95 m²11 ft3.4 m5088451002630
Hook & PlowPlan this room →4,800 sq ft446 m²—200——250——
Maritime RoomPlan this room →299 sq ft28 m²9 ft2.7 m————14—
Private Dining RoomPlan this room →530 sq ft49 m²—3030—2514—
Seaport RoomPlan this room →1,026 sq ft95 m²11 ft3.4 m5088451002630
Additional spaces (dimensions only) (1)
Additional spaces with published dimensions only at Seattle Marriott Waterfront
SpaceSq ft / m²Ceiling
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.

Frequently asked questions

How many event spaces does Seattle Marriott Waterfront have?
Seattle Marriott Waterfront has 23 event spaces totaling 46,738 sq ft.
What is the largest event space at Seattle Marriott Waterfront?
The largest event space at Seattle Marriott Waterfront is Grand Pacific Ballroom, which holds up to 900 guests across 7,931 sq ft.
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.
What are the dimensions of Grand Pacific Ballroom?
Grand Pacific Ballroom measures 77 × 103 ft (7,931 sq ft) with 16 ft ceilings.

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