Marriott Marquis Washington Dc

About Marriott Marquis Washington, DC

With more than 100,000 square feet of flexible meeting space and a direct underground connection to the Walter E. Washington Convention Center, Marriott Marquis Washington, DC is one of the capital’s largest convention and event hotels. The hotel sits at 901 Massachusetts Avenue NW in downtown Washington, near Mount Vernon Square and the National Mall.

Event space and meeting capacity

The hotel offers 100,474 square feet of flexible meeting space across multiple floors, anchored by a Grand Ballroom and extending to a rooftop terrace with city views, plus an underground concourse that connects to the Walter E. Washington Convention Center. That scale suits large conventions, conferences, galas, and weddings alongside smaller breakouts. Because capacities and floor plans vary by room, planners should confirm the exact dimensions and seating for their guest count with the hotel directly.

Dining and amenities

Four on-site restaurants and bars, including Anthem, the Lobby Bar, The Dignitary whiskey bar, and Starbucks, support hosted meals and receptions. Additional amenities include an 8,000 square foot bi-level fitness center, a Club Lounge, a business center, and dog-friendly rooms. The hotel is LEED Silver certified.

Location in downtown Washington

The hotel sits near Mount Vernon Square, the National Mall, Capital One Arena, and CityCenterDC, with Metro access nearby and Ronald Reagan Washington National Airport about 4.6 miles away. That access suits citywide conventions and events drawing attendees from across the region.

Planning your event at Marriott Marquis Washington, DC

For convention and conference organizers, the Marriott Marquis Washington, DC pairs over 100,000 square feet of space and convention-center access with four dining venues on site. With a date and headcount ready, the hotel team can match your program to the right spaces. Through greatEvent, you can check availability at the Marriott Marquis Washington, DC and build the full vendor team for your event.