Courtyard by Marriott Gaithersburg Washingtonian Center — Event Spaces, Floor Plans & Capacities
204 Boardwalk Pl, Gaithersburg, MD 20878
Courtyard by Marriott Gaithersburg Washingtonian Center in Gaithersburg offers 5 event spaces across 6,620 sq ft615 m² of function space. The largest room, Rio Ballroom (A-B-C), hosts up to 210 guests. Explore the floor plans and capacity charts below, or start arranging your own layout in the free planner.
Across its 5 spaces, Courtyard by Marriott Gaithersburg Washingtonian Center handles theater-style sessions for up to 210, seated banquets for 144 and standing receptions for 180. Exact figures for every room and setup style are in the chart below.
Floor plans
Detailed floor plans for Courtyard by Marriott Gaithersburg Washingtonian Center are published on the venue’s official site.
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Room capacities & dimensions
| Space | Sq ft / m² | Ceiling | Banquet | Theater | Classroom | Reception | Conference | U-Shape |
|---|---|---|---|---|---|---|---|---|
| Outdoor TerracePlan this room → | 1,274 sq ft118 m² | — | — | — | — | 60 | — | — |
| Rio APlan this room → | 891 sq ft83 m² | 9 ft2.7 m | 48 | 70 | 40 | 60 | 25 | 27 |
| Rio BPlan this room → | 891 sq ft83 m² | 9 ft2.7 m | 48 | 70 | 40 | 60 | 25 | 27 |
| Rio Ballroom (A-B-C)Plan this room → | 2,673 sq ft248 m² | 9 ft2.7 m | 144 | 210 | 120 | 180 | 75 | 81 |
| Rio CPlan this room → | 891 sq ft83 m² | 9 ft2.7 m | 48 | 70 | 40 | 60 | 25 | 27 |
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 Gaithersburg Washingtonian Center have?
- Courtyard by Marriott Gaithersburg Washingtonian Center has 5 event spaces totaling 6,620 sq ft.
- What is the largest event space at Courtyard by Marriott Gaithersburg Washingtonian Center?
- The largest event space at Courtyard by Marriott Gaithersburg Washingtonian Center is Rio Ballroom (A-B-C), which holds up to 210 guests across 2,673 sq ft.
- What is the banquet capacity of Rio Ballroom (A-B-C) at Courtyard by Marriott Gaithersburg Washingtonian Center?
- Rio Ballroom (A-B-C) seats up to 144 guests in a banquet layout.
- How many people fit in Rio Ballroom (A-B-C) theater-style?
- Rio Ballroom (A-B-C) holds up to 210 guests in a theater setup.
- What are the dimensions of Rio Ballroom (A-B-C)?
- Rio Ballroom (A-B-C) measures 27 × 99 ft (2,673 sq ft) with 9 ft ceilings.
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