Courtyard by Marriott Dallas Richardson at Spring Valley — Event Spaces, Floor Plans & Capacities

1000 S Sherman St, Richardson, TX 75081

3 rooms · largest space: Lost Mine, 624 sq ft58 m²

Courtyard by Marriott Dallas Richardson at Spring Valley gives Richardson event planners 3 rooms to work with. The largest space is Lost Mine, 624 sq ft58 m². It holds up to 40 guests. Review the layouts and seating capacities below, then test your setup in 3D — free.

Plan an event in Lost Mine: open a free to-scale layout seating 10 at round tables in its 26 × 24 ft footprint at floors.live/start — no account needed.

Across its 3 rooms, Courtyard by Marriott Dallas Richardson at Spring Valley handles theater-style sessions for up to 40, seated banquets for 28 and standing receptions for 40. 3 smaller rooms suit breakouts and board meetings. Exact figures for every room and setup style are in the chart below.

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Unverified listing — compiled from Courtyard by Marriott Dallas Richardson at Spring Valley’s published information. Venue staff can verify capacities and setups free: floors.live/venues/us/texas/richardson/courtyard-by-marriott-dallas-richardson-at-spring-valley/?claim=1.

Floor plans

Detailed floor plans for Courtyard by Marriott Dallas Richardson at Spring Valley are published on the venue’s official site.

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Room capacities & dimensions

3 rooms

Room capacities and dimensions for Courtyard by Marriott Dallas Richardson at Spring Valley
Space	Sq ft / m²	Ceiling	Banquet	Theater	Classroom	Reception	Conference	U-Shape
Burro MesaPlan this room →	280 sq ft26 m²	9 ft2.7 m	—	—	—	—	12	—
Lost MinePlan this room →	624 sq ft58 m²	9 ft2.7 m	28	40	25	40	25	25
Santa ElenaPlan this room →	624 sq ft58 m²	9 ft2.7 m	28	40	25	40	25	25

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 Courtyard by Marriott Dallas Richardson at Spring Valley?

Courtyard by Marriott Dallas Richardson at Spring Valley has 3 rooms. The largest space is Lost Mine, 624 sq ft (26 × 24 ft). Every room's dimensions and seating capacity by setup are listed on this page. Courtyard by Marriott Dallas Richardson at Spring Valley's own floor plans are published on its website, linked from this page.

How many event rooms does Courtyard by Marriott Dallas Richardson at Spring Valley have?

Courtyard by Marriott Dallas Richardson at Spring Valley has 3 rooms.

What is the largest space at Courtyard by Marriott Dallas Richardson at Spring Valley?

Lost Mine, 624 sq ft: 26 × 24 ft, 28 banquet / 40 theater.

How many people can Courtyard by Marriott Dallas Richardson at Spring Valley seat for a banquet?

Up to 28 in Lost Mine. The next largest room, Santa Elena, seats 28.

What is the ceiling height at Courtyard by Marriott Dallas Richardson at Spring Valley?

The highest ceiling is 9 ft, in Burro Mesa.

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