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The Most Exclusive Venue Amenities in the Area

Every year, the best in business, politics and entertainment look to host unforgettable experiences at Sphinx On K at Franklin Square. With experienced event organizers and world-class amenities, we’re confident our team will exceed all your expectations by executing a picture-perfect event, meeting or reception.
Our World-Class Amenities Include:
  • One of the largest grand ballrooms in the Washington metro area
  • Four private meeting rooms for corporate events and meetings
  • Full audiovisual capability with speakers and projectors
  • Beautiful dining room with accommodations for 100 people
  • Exclusive use rentals for private events  

The Grand Ballroom

Sphinx On K’s exquisite grand ballroom is well known as one of the largest in the Washington metro area and is perfect for large conferences and events.

At nearly 7,000 sq. ft., the ballroom offers a beautiful classic setting with Persian-style carpeting, vaulted ceilings, a stage and a breathtaking butterfly staircase that allows each guest to make a grand entrance. The 2,300 sq. ft. mezzanine is an elegant addition that makes the space an excellent choice for seminars, conventions, fairs, weddings and private events of up to 700 people.

Audiovisual equipment is available for guests who would like to utilize the one-of-a-kind acoustics of the soundproof ballroom, which provides the optimum setting for live performances.

Private Meeting Rooms

Sphinx On K offers four private meeting rooms located off the Grand Ballroom. All rooms are complete with full audio/visual capability. The intimate and upscale settings are excellent for corporate meetings, presentations, and receptions of up to 120 people. These rooms are also available, in conjunction with the ballroom, for larger corporate events and conventions.

Meeting Room Seating Capacities

The Washington 20 – 40 People
The Hamilton 20 – 40 People
The Madison 20 – 40 People
The Oval Office 80 – 120 People


Sphinx On K’s dining room incorporates beautiful antiquated Timurid architecture and accommodates 100 people. The adjacent lounge can hold an additional 50 people, ideal for everything from corporate luncheons to formal dinners and wedding receptions.

The spacious food staging area makes food preparation easy for catered events and the small, well-trained and experienced staff is available for the duration of your event to provide expert guidance and on-site service.

In-house catering is provided by 202 Eat Well Catering 
Meeting Room Seating Capacities 
Scimitar Meeting Room 20 – 40 People
Nemesis Meeting Room 20 – 40 People
Mecca Meeting Room 20 – 40 People
Crescent Meeting Room 20 – 40 People
The Oasis Room 80 – 120 People

The Oval Office

If you are looking for flexible space for your meeting, banquet or theater-style event, Sphinx On K’s Oval Office room is the right solution for you. Adjacent to our dining room, the Oval Office provides flexible seating arrangements for meetings, banquets and events for up to 120 guests. Combine the Oval Office with our elegant dining room and bar for a truly grand event!
Reserve the Oval Office today!

Exclusive Use

Event organizers may reserve any combination of rooms at Sphinx On K. Guests wishing to host an exclusive event may rent the entire site. During any private event, the site will be closed to public visitation to ensure an exclusory experience.
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