St. Regis — Event Spaces, Floor Plans & Capacities

1400 Linwood Blvd, Kansas City, MO 64109

13 rooms · largest space: St. Regis Roof, 4,250 sq ft395 m²

St. Regis gives Kansas City event planners 13 rooms to work with. The largest space is St. Regis Roof, 4,250 sq ft395 m². It holds up to 220 guests. Review the layouts and seating capacities below, then test your setup in 3D — free.

Plan an event in St. Regis Roof: open a free to-scale layout seating 210 at round tables in its 50 × 85 ft footprint at floors.live/start — no account needed.

Across its 13 rooms, St. Regis handles theater-style sessions for up to 220 and seated banquets for 220. 7 smaller rooms suit breakouts and board meetings. Exact figures for every room and setup style are in the chart below.

Plan your event in this space — free

Unverified listing — compiled from St. Regis’s published information. Venue staff can verify capacities and setups free: floors.live/venues/us/missouri/kansas-city/st-regis/?claim=1.

Floor plans

Detailed floor plans for St. Regis are published on the venue’s official site.

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

Work at St. Regis? to publish your official floor plans and 360° tours here — free.

Room capacities & dimensions

13 rooms

Room capacities and dimensions for St. Regis
Space	Sq ft / m²	Ceiling	Banquet	Theater	Classroom	Conference	U-Shape
St. Regis RoofPlan this room →	4,250 sq ft395 m²	16 ft4.9 m	220	220	200	100	85
PenthousePlan this room →	3,969 sq ft369 m²	9 ft2.7 m	120	150	60	—	—
VersaillesPlan this room →	1,700 sq ft158 m²	15 ft4.6 m	180	200	100	60	50
Louis XVI APlan this room →	612 sq ft57 m²	15 ft4.6 m	50	70	50	32	20
Louis XVI BPlan this room →	360 sq ft33 m²	15 ft4.6 m	20	30	20	10	12
Louis XVI FoyerPlan this room →	288 sq ft27 m²	15 ft4.6 m	10	10	—	10	—
LibraryPlan this room →	384 sq ft36 m²	15 ft4.6 m	40	45	30	25	17
Fontainebleau RoomPlan this room →	748 sq ft69 m²	15 ft4.6 m	70	80	50	30	25
Fontainebleau FoyerPlan this room →	736 sq ft68 m²	8 ft2.4 m	50	60	30	—	—
Astor APlan this room →	400 sq ft37 m²	13 ft4 m	30	30	25	18	12
Astor BPlan this room →	304 sq ft28 m²	13 ft4 m	20	25	10	12	—
MatignonPlan this room →	360 sq ft33 m²	8 ft2.4 m	—	—	—	14	—
RambouilletPlan this room →	390 sq ft36 m²	8 ft2.4 m	—	—	—	12	—

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 Kansas City.

Frequently asked questions

What is the floor plan of St. Regis?

St. Regis has 13 rooms. The largest space is St. Regis Roof, 4,250 sq ft (50 × 85 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 St. Regis have?

St. Regis has 13 rooms.

What is the largest space at St. Regis?

St. Regis Roof, 4,250 sq ft: 50 × 85 ft, 220 banquet / 220 theater.

How many people can St. Regis seat for a banquet?

Up to 220 in St. Regis Roof. The next largest room, Versailles, seats 180.

What is the ceiling height at St. Regis?

The highest ceiling is 16 ft, in St. Regis Roof.

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Nearest venues to St. Regis

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Kansas City Marriott Country Club Plaza · Kansas City, MO · 1.9 mi straight-line