DoubleTree by Hilton Hotel Seattle Airport — Event Spaces & 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.

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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.