Seattle Airport Marriott — Event Spaces, Floor Plans & Capacities

3201 S 176th St, Seattle, WA 98188

23 rooms · largest space: Atrium, 7,500 sq ft697 m²

Planning an event in Seattle? Seattle Airport Marriott has 23 meeting and event rooms. The largest space is Atrium, 7,500 sq ft697 m². It holds up to 800 guests. Capacity figures for every setup style are listed per room below.

Plan an event in Atrium: open a free to-scale layout seating 400 at round tables in its 125 × 61 ft footprint at floors.live/start — no account needed.

Between them, the 23 rooms accommodate theater-style sessions for up to 760, seated banquets for 650 and standing receptions for 800. 7 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 Seattle Airport Marriott’s published information. Venue staff can verify capacities and setups free: floors.live/venues/us/washington/seattle/seattle-airport-marriott/?claim=1.

Floor plans

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

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

Work at Seattle Airport Marriott? to publish your official floor plans and 360° tours here — free.

Room capacities & dimensions

23 rooms

Room capacities and dimensions for Seattle Airport Marriott
Space	Sq ft / m²	Ceiling	Banquet	Theater	Classroom	Reception	Conference	U-Shape
Aberdeen, Tacoma, EverettPlan this room →	360 sq ft33 m²	8 ft2.4 m	30	40	21	40	16	18
AtriumPlan this room →	7,500 sq ft697 m²	45 ft13.7 m	650	760	480	800	—	—
Atrium LoungePlan this room →	1,672 sq ft155 m²	45 ft13.7 m	144	180	—	200	—	—
Evergreen 2 SalonsPlan this room →	1,828 sq ft170 m²	14 ft4.3 m	160	200	112	200	—	68
Evergreen 3 SalonsPlan this room →	2,736 sq ft254 m²	14 ft4.3 m	240	340	192	300	—	90
Evergreen BallroomPlan this room →	3,600 sq ft334 m²	14 ft4.3 m	320	480	272	500	—	—
Four SalonsPlan this room →	3,648 sq ft339 m²	14 ft4.3 m	320	480	220	500	—	—
Mount RainierPlan this room →	460 sq ft43 m²	10 ft3 m	24	—	—	—	16	15
OlympiaPlan this room →	456 sq ft42 m²	8 ft2.4 m	30	45	24	50	20	20
Puget Sound BoardroomPlan this room →	247 sq ft23 m²	10 ft3 m	—	—	—	—	10	—
Renton, BremertonPlan this room →	360 sq ft33 m²	8 ft2.4 m	30	40	21	40	16	18
Salon 1,2 or 3Plan this room →	400 sq ft37 m²	9 ft2.7 m	40	50	24	50	20	20
Salon A,B,C,D or EPlan this room →	912 sq ft85 m²	14 ft4.3 m	80	96	48	100	30	34
Salon F,G,H or IPlan this room →	912 sq ft85 m²	14 ft4.3 m	80	96	48	100	30	34
Seattle 2 SalonsPlan this room →	800 sq ft74 m²	9 ft2.7 m	80	100	48	100	40	40
Seattle BallroomPlan this room →	1,250 sq ft116 m²	9 ft2.7 m	120	170	72	160	42	46
Snoqualmie BallroomPlan this room →	2,030 sq ft189 m²	13 ft4 m	170	200	96	200	—	46
Snoqualmie Salon 1Plan this room →	1,015 sq ft94 m²	13 ft4 m	80	96	48	100	30	34
Snoqualmie Salon 2Plan this room →	1,015 sq ft94 m²	13 ft4 m	80	96	48	100	30	34
Spokane BoardroomPlan this room →	494 sq ft46 m²	8 ft2.4 m	—	—	—	—	14	—
Three SalonsPlan this room →	2,736 sq ft254 m²	14 ft4.3 m	240	340	288	300	—	90
Two SalonsPlan this room →	1,824 sq ft169 m²	14 ft4.3 m	160	200	200	200	—	68
Washington BallroomPlan this room →	4,600 sq ft427 m²	14 ft4.3 m	420	620	352	600	—	—

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, or compare the largest event spaces in Seattle.

Frequently asked questions

What is the floor plan of Seattle Airport Marriott?

Seattle Airport Marriott has 23 rooms. The largest space is Atrium, 7,500 sq ft (125 × 61 ft). Every room's dimensions and seating capacity by setup are listed on this page. Seattle Airport Marriott's own floor plans are published on its website, linked from this page.

How many event rooms does Seattle Airport Marriott have?

Seattle Airport Marriott has 23 rooms.

What is the largest space at Seattle Airport Marriott?

Atrium, 7,500 sq ft: 125 × 61 ft, 650 banquet / 760 theater.

How many people can Seattle Airport Marriott seat for a banquet?

Up to 650 in Atrium. The next largest room, Washington Ballroom, seats 420.

What is the ceiling height at Seattle Airport Marriott?

The highest ceiling is 45 ft, in Atrium.

More event venues near Seattle

All 17 event venues in Seattle, WA →