Conference hotels in Washington, D.C. that you can search and book on Engine range from properties with ballrooms seating hundreds to venues like the Washington Marriott Wardman Park, whose largest event space (Exhibit Hall A) runs about 36,000 square feet and accommodates up to 3,800 people. Event planners and travel managers use this page to compare meeting capacity and guest-room availability, while attendees book their own stays for conferences across the capital. Engine connects you to these hotels whether you're coordinating a large corporate event or traveling to attend one.
Washington, D.C. hosts conferences and events year-round, from association gatherings and policy summits to corporate meetings and trade shows, and the hotels on this list serve organizations of every size and industry. Each property offers extensive meeting and event space alongside guest rooms to accommodate attendees. You can search and book guest rooms at these hotels on Engine; for a stay of 9 or more rooms, Engine Groups handles the room-block booking, and for 8 or fewer you book self-serve. To find and request meeting and event space, you can use Engine Spaces, Engine's venue product that connects planners to over 40,000 venues.
Showing 50 properties (sorted by distance)
Washington Marriott Wardman Park provides 69 event spaces including the impressive 36000-square-foot Exhibit Hall A, accommodating up to 3800 guests for large-scale conferences and conventions.
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The Westin DC Downtown features 807 guest rooms and a 19032-square-foot Grand Ballroom that hosts up to 2500 attendees across 63 flexible meeting spaces.
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Marriott Marquis Washington, DC offers 1175 guest rooms and 82 event venues, with the expansive 30600-square-foot Marquis Ballroom accommodating up to 3500 people.
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Grand Hyatt Washington delivers 47 meeting spaces and 897 guest rooms, featuring the 17172-square-foot Independence Ballroom with capacity for 2050 attendees.
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Capital Hilton provides 30 event spaces and 550 guest rooms, with its largest venue spanning 14652 square feet and hosting up to 1350 guests.
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Hyatt Regency Washington on Capitol Hill features 838 guest rooms and 41 meeting spaces, including the 11388-square-foot Regency Ballroom that accommodates 1700 attendees.
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Located in McLean, The Ritz-Carlton, Tysons Corner offers 25 event spaces and 398 guest rooms, with a 14003-square-foot ballroom hosting up to 1350 people.
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Waldorf Astoria Washington DC combines 263 guest rooms with 26 elegant meeting spaces, including the 13200-square-foot Presidential Ballroom that holds up to 1300 guests.
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JW Marriott Washington DC provides 777 guest rooms and 26 event venues, featuring a 13030-square-foot Grand Ballroom with capacity for 1200 attendees.
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The Mayflower Hotel, Autograph Collection offers 581 guest rooms and 26 meeting spaces, anchored by a 7656-square-foot Grand Ballroom accommodating 800 guests.
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The Watergate Hotel features 336 guest rooms and 17 event spaces, with the 6819-square-foot Moretti Ballroom hosting up to 600 attendees.
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Willard InterContinental Washington by IHG provides 335 guest rooms and 22 meeting venues, including a 4736-square-foot Ballroom that accommodates 600 guests.
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Conrad Washington, DC offers 360 guest rooms and 11 event spaces, featuring the striking 16200-square-foot Gallery that hosts up to 1250 attendees.
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The Ritz-Carlton, Washington, D.C. combines 300 guest rooms with 15 meeting spaces, including a 10578-square-foot ballroom accommodating up to 1100 guests.
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The LINE Hotel DC delivers 220 guest rooms and 14 event venues, with its largest space spanning 5000 square feet and hosting up to 400 attendees.
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Fairmont Washington, D.C., Georgetown features 413 guest rooms and 20 meeting spaces, including a 5460-square-foot Grand Ballroom that accommodates 700 guests.
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Embassy Suites by Hilton Washington D.C., Convention Center offers 384 guest rooms and 12 event spaces, with the 5568-square-foot Capital Ballroom hosting 700 attendees.
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The Westin Washington, D.C. City Center provides 410 guest rooms and 20 meeting venues, featuring a 6500-square-foot National Ballroom with capacity for 500 guests.
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Washington Marriott Georgetown offers 470 guest rooms and 25 event spaces, including the 4840-square-foot Metropolitan Ballroom that hosts up to 450 attendees.
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Hamilton Hotel Washington DC features 318 guest rooms and 12 meeting spaces, with the 8217-square-foot Schuyler Ballroom accommodating up to 1003 guests.
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Washington Marriott at Metro Center combines 459 guest rooms with 17 event venues, including a 6421-square-foot Grand Ballroom that hosts 550 attendees.
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The Darcy Hotel provides 226 guest rooms and 21 meeting spaces, with the Logan Ballroom spanning 1875 square feet and accommodating up to 208 guests.
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Hilton Washington DC Capitol Hill offers 265 guest rooms and 20 event spaces, featuring a 3828-square-foot Ballroom with capacity for 750 attendees.
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Le Meridien Washington, D.C., The Madison features 356 guest rooms and 10 meeting venues, with the 4506-square-foot Potomac space hosting up to 500 guests.
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The St. Regis Washington, D.C. combines 172 guest rooms with 14 meeting spaces, including the 2508-square-foot Astor Ballroom that accommodates 300 attendees.
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Holiday Inn Washington Capitol - Natl Mall by IHG provides 536 guest rooms and 10 event spaces, with the 3275-square-foot Congressional Ballroom hosting 350 guests.
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Hotel Washington offers 326 guest rooms and 10 meeting venues, featuring a 6205-square-foot Grand Ballroom that accommodates up to 600 attendees.
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Courtyard by Marriott Washington Downtown/Convention Center features 357 guest rooms and 19 event spaces, with the 3780-square-foot Shaw Ballroom hosting 420 guests.
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InterContinental Washington D.C. - The Wharf by IHG combines 278 guest rooms with 11 meeting venues, including a 5304-square-foot Waterside Ballroom accommodating 660 attendees.
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Four Seasons Hotel Washington DC provides 222 guest rooms and 10 event spaces, with the 4602-square-foot Corcoran Ballroom hosting up to 500 guests.
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Washington Marriott Capitol Hill offers 235 guest rooms and 8 meeting spaces, featuring the 3488-square-foot Burnham Ballroom that accommodates 400 attendees.
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Eaton DC combines 209 guest rooms with 9 event venues, including the 4302-square-foot Beverly Snow space that hosts up to 400 guests.
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The Westin Georgetown, Washington D.C. features 267 guest rooms and 11 meeting spaces, with The Promenade spanning 3288 square feet and accommodating 300 attendees.
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The Royal Sonesta Washington DC Dupont Circle provides 335 guest rooms and 11 event venues, with The Riggsby offering 3000 square feet for up to 220 guests.
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Residence Inn by Marriott Washington Downtown/Convention Center offers 147 guest rooms and 13 meeting spaces, featuring a 3780-square-foot Shaw Ballroom hosting 350 attendees.
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The Morrow Washington Dc, Curio Collection By Hilton combines 203 guest rooms with 14 event spaces, including the 2460-square-foot Armature Ballroom accommodating 225 guests.
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Kellogg Conference Hotel at Gallaudet University features 122 guest rooms and 7 meeting spaces, with a 4722-square-foot Ballroom that hosts up to 300 attendees.
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Kimpton Hotel Monaco Washington DC by IHG offers 184 guest rooms and 7 event venues, with the 3396-square-foot Paris Ballroom accommodating up to 540 guests.
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Viceroy Washington DC provides 178 guest rooms and 15 meeting spaces, featuring the 1313-square-foot Eckstine Ballroom that hosts up to 150 attendees.
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The Hoya Hotel at Georgetown features a 10573-square-foot Grand Ballroom accommodating up to 1305 guests, ideal for large-scale meetings and conferences.
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Washington Plaza Hotel combines 340 guest rooms with 9 event spaces, including a 4060-square-foot Grand Ballroom that hosts up to 500 attendees.
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Situated in Alexandria, Sheraton Suites Old Town Alexandria offers 247 guest rooms and 10 meeting venues, with the 2580-square-foot Gadsby Ballroom accommodating 250 guests.
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Cambria Hotel Washington D.C. Navy Yard Riverfront features 154 guest rooms and 5 event spaces, with the Delores Mack room hosting up to 379 attendees.
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Park Hyatt Washington provides 220 guest rooms and 8 meeting spaces, featuring the 4100-square-foot Gallery Ballroom that accommodates up to 450 guests.
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District Hotel offers 58 guest rooms and 2 meeting venues, with the Baron Banquet Room A spanning 4500 square feet.
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The Dupont Circle Hotel combines 327 guest rooms with 7 event spaces, including the 3271-square-foot Dupont Ballroom that hosts up to 200 guests.
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The Ritz-Carlton Georgetown, Washington, D.C. features 86 guest rooms and 6 meeting venues, with The Yard offering 2600 square feet for up to 140 attendees.
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AC Hotel by Marriott Washington DC Capitol Hill Navy Yard provides 225 guest rooms and 6 event spaces, with Smoke & Mirrors spanning 2500 square feet and hosting 350 guests.
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Riggs Washington DC offers 181 guest rooms and 6 meeting venues, featuring the 2478-square-foot Atrium space that accommodates up to 250 attendees.
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Based in Cheverly, Wyndham Garden Washington DC Area features 150 guest rooms and 5 meeting spaces, with the 1344-square-foot Washington Room hosting 125 guests.
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