The St. Regis Washington, D.C. — Event Spaces, Floor Plans & Capacities
923 16th St NW, Washington, DC 20006
8 rooms · largest space: Astor Ballroom, 2,508 sq ft233 m²
The St. Regis Washington, D.C. gives Washington event planners 8 rooms to work with. The largest space is Astor Ballroom, 2,508 sq ft233 m². It holds up to 250 guests. Review the layouts and seating capacities below, then test your setup in 3D — free.
Plan an event in Astor Ballroom: open a free to-scale layout seating 100 at round tables in its 38 × 66 ft footprint at floors.live/start — no account needed.
Across its 8 rooms, The St. Regis Washington, D.C. handles theater-style sessions for up to 250, seated banquets for 150 and standing receptions for 200. 3 smaller rooms suit breakouts and board meetings. Exact figures for every room and setup style are in the chart below.
Unverified listing — compiled from The St. Regis Washington, D.C.’s published information. Venue staff can verify capacities and setups free: floors.live/venues/us/washington-dc/washington/the-st-regis-washington-d-c/?claim=1.
Floor plans
Detailed floor plans for The St. Regis Washington, D.C. are published on the venue’s official site.
Work at The St. Regis Washington, D.C.? to publish your official floor plans and 360° tours here — free.
Room capacities & dimensions
8 rooms
| Space | Sq ft / m² | Ceiling | Banquet | Theater | Classroom | Reception | Conference | U-Shape |
|---|---|---|---|---|---|---|---|---|
| Andrew JacksonPlan this room → | 1,664 sq ft155 m² | 13 ft4 m | 80 | 150 | 70 | 100 | 45 | 35 |
| Astor BallroomPlan this room → | 2,508 sq ft233 m² | 18 ft5.5 m | 150 | 250 | 125 | 200 | 50 | 55 |
| Astor TerracePlan this room → | 2,052 sq ft191 m² | — | 90 | 150 | — | 150 | — | — |
| Benjamin FranklinPlan this room → | 672 sq ft62 m² | 12 ft3.7 m | 30 | 30 | 25 | 30 | 20 | 14 |
| George WashingtonPlan this room → | 1,518 sq ft141 m² | 12 ft3.7 m | 80 | 150 | 70 | 100 | 45 | 36 |
| James MonroePlan this room → | 1,368 sq ft127 m² | 12 ft3.7 m | 100 | 150 | 70 | 100 | 40 | 36 |
| Marquis de LafayettePlan this room → | 648 sq ft60 m² | 12 ft3.7 m | 30 | 30 | 20 | 40 | 20 | 14 |
| SalonPlan this room → | 958 sq ft89 m² | 12 ft3.7 m | 40 | 40 | 25 | 50 | 24 | 20 |
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 Washington.
Frequently asked questions
What is the floor plan of The St. Regis Washington, D.C.?
The St. Regis Washington, D.C. has 8 rooms. The largest space is Astor Ballroom, 2,508 sq ft (38 × 66 ft). Every room's dimensions and seating capacity by setup are listed on this page. The St. Regis Washington, D.C.'s own floor plans are published on its website, linked from this page.
How many event rooms does The St. Regis Washington, D.C. have?
The St. Regis Washington, D.C. has 8 rooms.
What is the largest space at The St. Regis Washington, D.C.?
Astor Ballroom, 2,508 sq ft: 38 × 66 ft, 150 banquet / 250 theater.
How many people can The St. Regis Washington, D.C. seat for a banquet?
Up to 150 in Astor Ballroom. The next largest room, James Monroe, seats 100.
What is the ceiling height at The St. Regis Washington, D.C.?
The highest ceiling is 18 ft, in Astor Ballroom.
More event venues near Washington
All 19 event venues in Washington, DC →
Nearest venues to The St. Regis Washington, D.C.
- Capital Hilton · Washington, DC · 0.1 mi straight-line
- The Westin Washington, D.C. City Center · Washington, DC · 0.3 mi straight-line
- The Mayflower Hotel, Autograph Collection · Washington, DC · 0.3 mi straight-line
Other event venues in Washington, DC
- Marriott Marquis Washington, DC · 86 rooms
- Grand Hyatt Washington · 54 rooms
- The Westin DC Downtown · 36 rooms
- JW Marriott Washington, DC · 33 rooms
- The Mayflower Hotel, Autograph Collection · 27 rooms
- Hilton Washington DC National Mall The Wharf · 20 rooms
- Capital Hilton · 25 rooms
- Washington Marriott Georgetown · 23 rooms
- Conrad Washington, DC · 16 rooms
- The Westin Washington, D.C. City Center · 21 rooms
Venues with similar capacity (~250 guests)
- DoubleTree by Hilton Hotel Austin Northwest Arboretum · Austin, TX
- Grand Hyatt at SFO · San Francisco, CA
- Kimpton Hotel Monaco Denver · Denver, CO
- Kimpton Aertson Hotel · Nashville, TN
- Courtyard by Marriott Dallas Downtown/Reunion District · Dallas, TX
- Courtyard by Marriott Los Angeles L.A. LIVE · Los Angeles, CA