Courtyard by Marriott Seattle Southcenter — Event Spaces, Floor Plans & Capacities

400 Andover Park W, Tukwila, WA 98188

Planning an event in Tukwila? Courtyard by Marriott Seattle Southcenter has 4 function rooms across 2,256 sq ft210 m² of function space. The largest room, St. Helens, hosts up to 100 guests. Capacity figures for every setup style are listed per room below.

Between them, the 4 rooms accommodate theater-style sessions for up to 100, seated banquets for 90 and standing receptions for 60. 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 Courtyard by Marriott Seattle Southcenter are published on the venue’s official site.

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Room capacities & dimensions

Room capacities and dimensions for Courtyard by Marriott Seattle Southcenter
SpaceSq ft / m²CeilingBanquetTheaterClassroomReceptionConferenceU-Shape
BoardroomPlan this room →142 sq ft13 m²8 ft2.4 m6——66—
Puget SoundPlan this room →625 sq ft58 m²8 ft2.4 m405040402226
RainierPlan this room →625 sq ft58 m²8 ft2.4 m405040402226
St. HelensPlan this room →864 sq ft80 m²9.9 ft3 m9010051603030

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 Courtyard by Marriott Seattle Southcenter have?
Courtyard by Marriott Seattle Southcenter has 4 event spaces totaling 2,256 sq ft.
What is the largest event space at Courtyard by Marriott Seattle Southcenter?
The largest event space at Courtyard by Marriott Seattle Southcenter is St. Helens, which holds up to 100 guests across 864 sq ft.
What is the banquet capacity of St. Helens at Courtyard by Marriott Seattle Southcenter?
St. Helens seats up to 90 guests in a banquet layout.
How many people fit in St. Helens theater-style?
St. Helens holds up to 100 guests in a theater setup.
What are the dimensions of St. Helens?
St. Helens measures 23 × 44 ft (864 sq ft) with 9.9 ft ceilings.

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