DoubleTree by Hilton Hotel Seattle Airport — Event Spaces, Floor Plans & Capacities

18740 International Blvd, Seattle, WA 98188

Planning an event in Seattle? DoubleTree by Hilton Hotel Seattle Airport has 44 function rooms across 94,719 sq ft8,800 m² of function space. The largest room, Grand Ballroom, hosts up to 2,200 guests. Capacity figures for every setup style are listed per room below.

Between them, the 44 rooms accommodate theater-style sessions for up to 1,500, seated banquets for 1,100 and standing receptions for 2,200. 11 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 DoubleTree by Hilton Hotel Seattle Airport are published on the venue’s official site.

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Room capacities & dimensions

Room capacities and dimensions for DoubleTree by Hilton Hotel Seattle Airport
SpaceCeiling
Cascade 1Plan this room →435 sq ft40 m²8 ft2.4 m3040204018181622
Cascade 1-2Plan this room →870 sq ft81 m²8 ft2.4 m5080489030—2828
Cascade 10Plan this room →870 sq ft81 m²8 ft2.4 m5085409030302822
Cascade 11Plan this room →924 sq ft86 m²8 ft2.4 m60906010030302828
Cascade 12Plan this room →924 sq ft86 m²8 ft2.4 m60906010030302828
Cascade 13Plan this room →924 sq ft86 m²8 ft2.4 m60906010030302828
Cascade 2Plan this room →435 sq ft40 m²8 ft2.4 m3040204018181622
Cascade 3Plan this room →435 sq ft40 m²8 ft2.4 m3040204018181622
Cascade 3-4Plan this room →870 sq ft81 m²8 ft2.4 m5080489030—2828
Cascade 4Plan this room →435 sq ft40 m²8 ft2.4 m3040204018181622
Cascade 5Plan this room →435 sq ft40 m²8 ft2.4 m3040204018181622
Cascade 5-6Plan this room →870 sq ft81 m²8 ft2.4 m5080489030—2828
Cascade 6Plan this room →435 sq ft40 m²8 ft2.4 m3040204018181622
Cascade 7Plan this room →435 sq ft40 m²8 ft2.4 m3040204018181622
Cascade 7-8Plan this room →870 sq ft81 m²8 ft2.4 m5080489030—2828
Cascade 8Plan this room →435 sq ft40 m²8 ft2.4 m3040204018181622
Cascade 9Plan this room →870 sq ft81 m²8 ft2.4 m5085409030302822
Cascade 9-10Plan this room →1,682 sq ft156 m²8 ft2.4 m10016090180——4248
Evergreen 1Plan this room →1,008 sq ft94 m²8 ft2.4 m601005011040403040
Evergreen 1-2Plan this room →2,016 sq ft187 m²8 ft2.4 m12020010022060—5050
Evergreen 2Plan this room →1,008 sq ft94 m²8 ft2.4 m601005011040403040
Evergreen 3Plan this room →1,080 sq ft100 m²8 ft2.4 m601005011040403040
Evergreen 3-4Plan this room →2,160 sq ft201 m²8 ft2.4 m12020010022060—5050
Evergreen 4Plan this room →1,080 sq ft100 m²8 ft2.4 m601005011040403040
Grand 1Plan this room →3,900 sq ft362 m²14 ft4.3 m300450250400————
Grand 1-2Plan this room →7,800 sq ft725 m²14 ft4.3 m600900500800————
Grand 2Plan this room →3,900 sq ft362 m²14 ft4.3 m300450250400————
Grand 2-3Plan this room →8,046 sq ft747 m²14 ft4.3 m8001,0506001,000————
Grand 3Plan this room →5,785 sq ft537 m²14 ft4.3 m500600400600————
Grand BallroomPlan this room →13,585 sq ft1,262 m²14 ft4.3 m1,1001,5008502,200————
Mt. BakerPlan this room →372 sq ft35 m²10 ft3 m————1010——
Mt. RainierPlan this room →348 sq ft32 m²10 ft3 m2020—301818—18
Northwest 1Plan this room →2,000 sq ft186 m²13 ft4 m15020012030060—4860
Northwest 1-2Plan this room →4,150 sq ft386 m²13 ft4 m310400240600————
Northwest 2Plan this room →2,150 sq ft200 m²13 ft4 m15020012030060—4860
Northwest 2-3Plan this room →4,250 sq ft395 m²13 ft4 m310400240600————
Northwest 3Plan this room →2,100 sq ft195 m²13 ft4 m15020012030060—4860
Northwest BallroomPlan this room →6,250 sq ft581 m²13 ft4 m460600360900————
Olympic 1Plan this room →630 sq ft59 m²8 ft2.4 m50503050242418—
Olympic 2Plan this room →840 sq ft78 m²8 ft2.4 m50754070242418—
Olympic 3Plan this room →840 sq ft78 m²8 ft2.4 m50754070242418—
Outside Enclosed CourtyardPlan this room →2,592 sq ft241 m²25 ft7.6 m———200————
Tower BallroomPlan this room →2,925 sq ft272 m²8 ft2.4 m240——350————
Tower SalonPlan this room →750 sq ft70 m²8 ft2.4 m5070406016—1420

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 DoubleTree by Hilton Hotel Seattle Airport have?
DoubleTree by Hilton Hotel Seattle Airport has 44 event spaces totaling 94,719 sq ft.
What is the largest event space at DoubleTree by Hilton Hotel Seattle Airport?
The largest event space at DoubleTree by Hilton Hotel Seattle Airport is Grand Ballroom, which holds up to 2,200 guests across 13,585 sq ft.
What is the banquet capacity of Grand Ballroom at DoubleTree by Hilton Hotel Seattle Airport?
Grand Ballroom seats up to 1,100 guests in a banquet layout.
How many people fit in Grand Ballroom theater-style?
Grand Ballroom holds up to 1,500 guests in a theater setup.
What are the dimensions of Grand Ballroom?
Grand Ballroom measures 209 × 65 ft (13,585 sq ft) with 14 ft ceilings.

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