Hyatt Regency Lake Washington at Seattle's Southport — Event Spaces, Floor Plans & Capacities

1053 Lake Washington Blvd N, Renton, WA 98056

9 rooms · largest space: Grand Ballroom, 13,728 sq ft1,275 m²

Hyatt Regency Lake Washington at Seattle's Southport in Renton offers 9 event rooms. The largest space is Grand Ballroom, 13,728 sq ft1,275 m². It holds up to 2,000 guests. Explore the floor plans and capacity charts below, or start arranging your own layout in the free planner.

Plan an event in Grand Ballroom: open a free to-scale layout seating 880 at round tables in its 105 × 129 ft footprint at floors.live/start — no account needed.

Across its 9 rooms, Hyatt Regency Lake Washington at Seattle's Southport handles theater-style sessions for up to 2,000, seated banquets for 1,100 and standing receptions for 1,800. Exact figures for every room and setup style are in the chart below.

Plan your event in this space — free

Unverified listing — compiled from Hyatt Regency Lake Washington at Seattle's Southport’s published information. Venue staff can verify capacities and setups free: floors.live/venues/us/washington/renton/hyatt-regency-lake-washington-at-seattle-s-southport/?claim=1.

Floor plans

Detailed floor plans for Hyatt Regency Lake Washington at Seattle's Southport are published on the venue’s official site.

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

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Room capacities & dimensions

9 rooms

Room capacities and dimensions for Hyatt Regency Lake Washington at Seattle's Southport
SpaceSq ft / m²CeilingBanquetTheaterClassroomReceptionConferenceU-Shape
BellevuePlan this room →2,815 sq ft262 m²9.1 ft2.8 m160350156200——
Grand BallroomPlan this room →13,728 sq ft1,275 m²16.2 ft4.9 m1,1002,0001,2001,800——
Grand Ballroom PromenadePlan this room →4,760 sq ft442 m²—200—————
Lake Washington BallroomPlan this room →4,998 sq ft464 m²14.7 ft4.5 m340660336600——
Lake Washington Ballroom TerracePlan this room →3,194 sq ft297 m²19 ft5.8 m170—————
Olympic TerracePlan this room →6,897 sq ft641 m²—540500————
Renton Club with Display KitchenPlan this room →2,197 sq ft204 m²9.1 ft2.8 m100180——5454
SeattlePlan this room →1,600 sq ft149 m²9.9 ft3 m10022054—5766
Additional spaces (dimensions only) (1)
Additional spaces with published dimensions only at Hyatt Regency Lake Washington at Seattle's Southport
SpaceSq ft / m²Ceiling
Cedar StationPlan this room →1,500 sq ft139 m²—

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.

Frequently asked questions

What is the floor plan of Hyatt Regency Lake Washington at Seattle's Southport?

Hyatt Regency Lake Washington at Seattle's Southport has 9 rooms. The largest space is Grand Ballroom, 13,728 sq ft (105 × 129 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 Hyatt Regency Lake Washington at Seattle's Southport have?

Hyatt Regency Lake Washington at Seattle's Southport has 9 rooms.

What is the largest space at Hyatt Regency Lake Washington at Seattle's Southport?

Grand Ballroom, 13,728 sq ft: 105 × 129 ft, 1,100 banquet / 2,000 theater.

How many people can Hyatt Regency Lake Washington at Seattle's Southport seat for a banquet?

Up to 1,100 in Grand Ballroom. The next largest room, Olympic Terrace, seats 540.

What is the ceiling height at Hyatt Regency Lake Washington at Seattle's Southport?

The highest ceiling is 19 ft, in Lake Washington Ballroom Terrace.

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