Marriott Dallas Las Colinas — Event Spaces, Floor Plans & Capacities

223 W Las Colinas Blvd., Irving, TX 75039

15 rooms · largest space: Las Colinas Ballroom, 10,374 sq ft964 m²

Marriott Dallas Las Colinas in Irving offers 15 event rooms. The largest space is Las Colinas Ballroom, 10,374 sq ft964 m². It holds up to 1,000 guests. Explore the floor plans and capacity charts below, or start arranging your own layout in the free planner.

Plan an event in Las Colinas Ballroom: open a free to-scale layout seating 600 at round tables in its 133 × 78 ft footprint at floors.live/start — no account needed.

Across its 15 rooms, Marriott Dallas Las Colinas handles theater-style sessions for up to 1,000, seated banquets for 800 and standing receptions for 1,000. 4 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 Marriott Dallas Las Colinas’s published information. Venue staff can verify capacities and setups free: floors.live/venues/us/texas/irving/marriott-dallas-las-colinas/?claim=1.

Floor plans

Detailed floor plans for Marriott Dallas Las Colinas are published on the venue’s official site.

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Room capacities & dimensions

15 rooms

Room capacities and dimensions for Marriott Dallas Las Colinas
Space	Sq ft / m²	Ceiling	Banquet	Theater	Classroom	Reception	Conference	U-Shape
Ballroom FoyerPlan this room →	2,340 sq ft217 m²	12 ft3.7 m	150	—	—	150	—	—
BeaumontPlan this room →	567 sq ft53 m²	10 ft3 m	—	—	—	—	16	—
BritainPlan this room →	780 sq ft72 m²	17 ft5.2 m	60	90	40	100	36	30
BrownPlan this room →	780 sq ft72 m²	17 ft5.2 m	60	90	40	100	36	30
CarroltonPlan this room →	780 sq ft72 m²	17 ft5.2 m	60	90	40	100	36	30
DallasPlan this room →	551 sq ft51 m²	10 ft3 m	30	50	30	40	24	25
FriscoPlan this room →	551 sq ft51 m²	10 ft3 m	30	50	30	40	24	25
HudsonPlan this room →	780 sq ft72 m²	17 ft5.2 m	60	90	40	100	36	30
KitPlan this room →	780 sq ft72 m²	17 ft5.2 m	60	90	40	100	36	30
Lakeside TerracePlan this room →	3,000 sq ft279 m²	—	150	—	—	200	—	—
Las Colinas BallroomPlan this room →	10,374 sq ft964 m²	17 ft5.2 m	800	1,000	450	1,000	180	100
MerchantsPlan this room →	2,340 sq ft217 m²	17 ft5.2 m	210	300	156	330	82	72
PlantersPlan this room →	2,340 sq ft217 m²	17 ft5.2 m	210	300	156	330	82	72
San AntonioPlan this room →	551 sq ft51 m²	10 ft3 m	30	50	30	40	24	25
WilliamsPlan this room →	780 sq ft72 m²	17 ft5.2 m	60	90	40	100	36	30

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 Marriott Dallas Las Colinas?

Marriott Dallas Las Colinas has 15 rooms. The largest space is Las Colinas Ballroom, 10,374 sq ft (133 × 78 ft). Every room's dimensions and seating capacity by setup are listed on this page. Marriott Dallas Las Colinas's own floor plans are published on its website, linked from this page.

How many event rooms does Marriott Dallas Las Colinas have?

Marriott Dallas Las Colinas has 15 rooms.

What is the largest space at Marriott Dallas Las Colinas?

Las Colinas Ballroom, 10,374 sq ft: 133 × 78 ft, 800 banquet / 1,000 theater.

How many people can Marriott Dallas Las Colinas seat for a banquet?

Up to 800 in Las Colinas Ballroom. The next largest room, Merchants, seats 210.

What is the ceiling height at Marriott Dallas Las Colinas?

The highest ceiling is 17 ft, in Britain.

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