Meetings and Events

Dumbarton Conservatory

1 (202) 342-0444 Contact Us
  • Rows of chairs under the ample skylights of Dumbarton Conservatory, decorated with wedding flowers.

This bright space features a wall of windows, pyramidal skylights and a graceful, inlaid-mahogany tray ceiling. Spacious and elegant, Washington’s most unique event venue is the perfect place to impress your guests.

  • Max Occupancy


  • Size

    95.3 m2 (1,026 sq. ft.)

  • Dimensions

    17.4 x 15.2 m (57 x 50 ft.)

  • Height

    3 m (9.10 ft.)

Occupancy by Configuration

60 Guests
100 Guests
150 Guests
Banquet rounds
60 Guests
48 Guests
Hollow square
48 Guests
48 Guests
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More About This Venue


  • Nearby breakout rooms and pre-function space
  • Natural light
  • Wall of windows with city views
  • Pyramidal skylights
  • Spacious and elegant
  • Adjacent outdoor terrace


  • Wired or wireless, high-speed internet
  • Redundant high-speed access with up to 500 Mbps of bandwidth/speed
  • Separate, dedicated network access with up to 350 Mbps of bandwidth/speed
  • Public IP addresses
  • Drop-down ceiling screen
  • Rear and front projection options
  • ClickShare content routers for multiple laptops
  • Full audio and visual conference options
  • Internal and external live-stream options
  • Advanced lighting and projection capabilities
Our experienced team can help plan your event. 1 (202) 342-0444 Get In Touch