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

18740 International Blvd, Seattle, WA 98188

31 rooms · largest space: Grand Ballroom, 13,585 sq ft1,262 m²

Planning an event in Seattle? DoubleTree by Hilton Hotel Seattle Airport has 31 meeting and event rooms. The largest space is Grand Ballroom, 13,585 sq ft1,262 m² (divisible into 3 sections). It holds up to 2,200 guests. Capacity figures for every setup style are listed per room below.

Plan an event in Grand Ballroom: open a free to-scale layout seating 850 at round tables in its 209 × 65 ft footprint at floors.live/start — no account needed.

Between them, the 31 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.

Plan your event in this space — free

Unverified listing — compiled from DoubleTree by Hilton Hotel Seattle Airport’s published information. Venue staff can verify capacities and setups free: floors.live/venues/us/washington/seattle/doubletree-by-hilton-hotel-seattle-airport/?claim=1.

Floor plans

Detailed floor plans for DoubleTree by Hilton Hotel Seattle Airport are published on the venue’s official site.

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

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Room capacities & dimensions

31 rooms, 44 configurations. Combined and divided set-ups are listed under their room.

Room capacities and dimensions for DoubleTree by Hilton Hotel Seattle Airport
SpaceCeiling
Cascade 1Plan this room →435 sq ft40 m²8 ft2.4 m3040204018181622
5 configurations with Cascade 1
Combined and divided set-ups that include Cascade 1
ConfigurationSq ft / m²CeilingBanquetTheaterClassroomReceptionConferenceBoardroomU-ShapeHollow Sq.
Cascade 1-2Plan this room →870 sq ft81 m²8 ft2.4 m5080489030—2828
Cascade 3-4Plan this room →870 sq ft81 m²8 ft2.4 m5080489030—2828
Cascade 5-6Plan this room →870 sq ft81 m²8 ft2.4 m5080489030—2828
Cascade 7-8Plan this room →870 sq ft81 m²8 ft2.4 m5080489030—2828
Cascade 9-10Plan this room →1,682 sq ft156 m²8 ft2.4 m10016090180——4248
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 4Plan this room →435 sq ft40 m²8 ft2.4 m3040204018181622
Cascade 5Plan this room →435 sq ft40 m²8 ft2.4 m3040204018181622
Cascade 6Plan this room →435 sq ft40 m²8 ft2.4 m3040204018181622
Cascade 7Plan this room →435 sq ft40 m²8 ft2.4 m3040204018181622
Cascade 8Plan this room →435 sq ft40 m²8 ft2.4 m3040204018181622
Cascade 9Plan this room →870 sq ft81 m²8 ft2.4 m5085409030302822
Evergreen 1Plan this room →1,008 sq ft94 m²8 ft2.4 m601005011040403040
2 configurations with Evergreen 1
Combined and divided set-ups that include Evergreen 1
ConfigurationSq ft / m²CeilingBanquetTheaterClassroomReceptionConferenceBoardroomU-ShapeHollow Sq.
Evergreen 1-2Plan this room →2,016 sq ft187 m²8 ft2.4 m12020010022060—5050
Evergreen 3-4Plan this room →2,160 sq ft201 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 4Plan this room →1,080 sq ft100 m²8 ft2.4 m601005011040403040
Grand 1Plan this room →3,900 sq ft362 m²14 ft4.3 m300450250400————
3 configurations with Grand 1
Combined and divided set-ups that include Grand 1
ConfigurationSq ft / m²CeilingBanquetTheaterClassroomReceptionConferenceBoardroomU-ShapeHollow Sq.
Grand 1-2Plan this room →7,800 sq ft725 m²14 ft4.3 m600900500800————
Grand 2-3Plan this room →8,046 sq ft747 m²14 ft4.3 m8001,0506001,000————
Grand BallroomPlan this room →13,585 sq ft1,262 m²14 ft4.3 m1,1001,5008502,200————
Grand 2Plan this room →3,900 sq ft362 m²14 ft4.3 m300450250400————
Grand 3Plan this room →5,785 sq ft537 m²14 ft4.3 m500600400600————
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
3 configurations with Northwest 1
Combined and divided set-ups that include Northwest 1
ConfigurationSq ft / m²CeilingBanquetTheaterClassroomReceptionConferenceBoardroomU-ShapeHollow Sq.
Northwest 1-2Plan this room →4,150 sq ft386 m²13 ft4 m310400240600————
Northwest 2-3Plan this room →4,250 sq ft395 m²13 ft4 m310400240600————
Northwest BallroomPlan this room →6,250 sq ft581 m²13 ft4 m460600360900————
Northwest 2Plan this room →2,150 sq ft200 m²13 ft4 m15020012030060—4860
Northwest 3Plan this room →2,100 sq ft195 m²13 ft4 m15020012030060—4860
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.

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 DoubleTree by Hilton Hotel Seattle Airport?

DoubleTree by Hilton Hotel Seattle Airport has 31 rooms. The largest space is Grand Ballroom, 13,585 sq ft (209 × 65 ft). Every room's dimensions and seating capacity by setup are listed on this page. For the venue's own drawings, see its official website, linked from this page.

How many event rooms does DoubleTree by Hilton Hotel Seattle Airport have?

DoubleTree by Hilton Hotel Seattle Airport has 31 rooms. 44 configurations are listed on this page.

What is the largest space at DoubleTree by Hilton Hotel Seattle Airport?

Grand Ballroom, 13,585 sq ft (divisible into 3 sections): 209 × 65 ft, 1,100 banquet / 1,500 theater.

How many people can DoubleTree by Hilton Hotel Seattle Airport seat for a banquet?

Up to 1,100 in Grand Ballroom. The next largest room, Northwest Ballroom, seats 460.

Can Grand Ballroom be divided?

Yes. Grand Ballroom divides into 3 sections: Grand 1, Grand 2, Grand 3.

What is the ceiling height at DoubleTree by Hilton Hotel Seattle Airport?

The highest ceiling is 25 ft, in Outside Enclosed Courtyard.

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