Top Washington Conference & Summit Outdoor Spaces

144 results near Washington, DC

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Choosing your conference & summit venue will be one of the most important steps in the planning process. So much goes into finding the perfect outdoor in Washington. You’ll want to consider everything from the aesthetics of the space to any in-house amenities and services. Luckily, PartySlate makes it easy with our Find Venues page. Use the filters to narrow your search — taking into account everything from your guest count to specific catering preferences. Once you’ve set your filters, scroll down to search our curated list. Look for the “featured” tag for PartySlate’s top recommendations. With PartySlate, finding your ideal Washington outdoor has never been easier.

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    Courtyard (multiple sections), an event space at DIRTY HABIT DC

    DIRTY HABIT DC

    555 8th St NW, Washington, DC 20004, USA
    • 1 Conference & Summit Album
    • Spaces for 12-900 Guests
    • 1 Outdoor
    • 8 Restaurants
    • 1 Event Space

    Whether you are hosting a private soiree in one of gorgeous dining rooms, enjoying a gathering of friends in our expansive courtyard, or hosting a lively reception in our gorgeous Glass House, rest assured you will be treated to an experience you won't soon forget. Corporate and Conference events will impress your guests as you dine in one of the nation's premier historic spaces, unique to Washington DC. In an atmosphere bursting with character, Dirty Habit DC can also play host to numerous wedding festivities: Bring both sides of the family together with an intimate welcome reception or post-wedding brunch, exchange vows in a beautiful courtyard ceremony followed by an epic reception, or keep the party going with a personalized after-party. Let’s just say we don’t think “intimate” and “epic” are mutually exclusive when it comes to your wedding day.

    Est. $100/guest
    $2,000 min
    Avg response time 12-24 hrs
  • The Portico, an event space at Andrew W. Mellon Auditorium

    Andrew W. Mellon Auditorium

    1301 Constitution Ave. NW, Washington, DC 20004, USA
    • 1 Conference & Summit Album
    • Spaces for 120-1,000 Guests
    • 1 Outdoor
    • 1 Rooftop
    • 2 Event Spaces

    Located in the heart of our nation's capital, the Andrew W. Mellon Auditorium has been a quintessential gathering space for corporate events, weddings, galas, and more since its debut in 1935. This iconic gem offers a breathtaking blend of historical grandeur and architectural elegance. Nestled within the prestigious Federal Triangle, this Neoclassical masterpiece, designed by Bennett, Parsons, and Frost, provides a stunning backdrop for your most memorable events. With its majestic columns, soaring ceilings, and opulent interior, the auditorium is an unparalleled venue that combines timeless architectural details with exceptional hospitality. As a National Register of Historic Places landmark, it exudes charm and sophistication, ensuring every occasion held within its walls is distinguished and unforgettable. Conveniently located at 1301 Constitution Avenue NW, the Andrew W. Mellon Auditorium merges historic significance with modern amenities, making it the perfect choice for your next extraordinary event.

    Avg response time 12-24 hrs
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    Sunken Garden, an event space at George Washington's Mount Vernon

    George Washington's Mount Vernon

    3200 Mount Vernon Memorial Hwy, Mt Vernon, VA 22121, USA
    • 1 Conference & Summit Album
    • Spaces for 40-220 Guests
    • 1 Outdoor
    • 1 Ballroom
    • 4 Total Spaces

    Our dining rooms feature colonial-inspired décor and images of the historic Mount Vernon estate. Couples can reserve the entire restaurant or individual dining rooms. Wedding packages include a champagne toast, a four-hour open bar, and a two-course gourmet dinner.

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    North and South Golf Course, an event space at Woodmont Country Club

    Woodmont Country Club

    1201 Rockville Pike, Rockville, MD 20852, USA
    • 1 Conference & Summit Album
    • Spaces for 1-2,500 Guests
    • 1 Outdoor
    • 1 Restaurant
    • 9 Total Spaces

    Woodmont Country Club is the premier destination for weddings, corporate gatherings, golf outings, mitzvahs, and social celebrations of all kinds. Featuring two 18-hole championship golf courses and an approachable 9-hole short course, along with beautifully appointed indoor and outdoor venues, Woodmont offers a sophisticated yet welcoming setting for events of every size and style. Our experienced event professionals will work closely with you to plan each detail, while our acclaimed culinary team designs custom menus tailored to your vision and tastes. Whether you're hosting an elegant reception, a productive retreat, or a full-scale golf tournament, Woodmont blends natural beauty, exceptional service, and timeless charm to create truly unforgettable experiences.

    Avg response time 12-24 hrs
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    Norbeck Country Club

    17200 Cashell Rd, Rockville, MD 20853, USA
    • 1 Conference & Summit Album
    • Spaces for 22-275 Guests
    • 2 Outdoor Spaces
    • 1 Ballroom
    • 6 Total Spaces

    Just outside Washington, D.C., Norbeck Country Club offers a timeless and romantic setting for life’s most cherished celebrations. Nestled among lush, gently rolling fairways, our event spaces provide a picturesque and graceful backdrop for unforgettable special events. From intimate gatherings of 10 guests to grand celebrations for up to 275, each occasion is thoughtfully designed and flawlessly executed. Whether hosting a wedding, milestone celebration, elegant gala, or private soirée, couples and guests are treated to exceptional dining, warm hospitality, and personalized service, ensuring every moment unfolds beautifully. Norbeck also welcomes golf tournaments and outings for up to 144 players, blending recreation with elegance. Our premier racquet sports facilities, charming views, and attentive staff create a setting where Members and non-Members alike can celebrate love, laughter, and life’s most meaningful moments. From the first toast to the last dance, every detail is crafted to provide a heartfelt, unforgettable experience in a venue where classic elegance meets timeless beauty.

    Est. $60/guest
    Avg response time 2-4 hrs
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    Dirty Habit Courtyard, an event space at Kimpton Hotel Monaco Washington DC

    Kimpton Hotel Monaco Washington DC

    700 F St NW, Washington, DC 20004, USA
    • Spaces for 16-300 Guests
    • 1 Outdoor
    • 2 Restaurants
    • 5 Total Spaces

    When it comes to hosting a grand affair to remember, no venue is more memorable than Kimpton Hotel Monaco Washington DC. Thanks to the historic building that's been beautifully modernized in a manner that's both elegant and edgy, such stunning features remain as soaring ceilings, dramatic skylights, beautiful period architectural details, plus grand marble staircases (perfect for snapping those frame-worthy wedding day portraits). Hotel Monaco’s 7,000 square feet of meeting and event space are bold areas ripe for swapping stories, monumental life moments or business ideas. The décor reflects the same regal and classical aesthetic throughout the three rooms named for bold, international cities – Paris, Athens and Tokyo. Hotel Monaco's premier event space, the Paris Ballroom is a former library created for the Postmaster General on the fourth floor of the building that features a dramatic dome skylight and classical columns. The building’s historic architecture is surrounded by shimmering acanthus leaf patterned wall coverings and over scaled matelassé window treatments topped with Christopher Guy mirrors that accentuate the drama of the space. Paris can host up to 300 guests for receptions. The Athens Room, which can accommodate up to 200 guests reception style, is adorned with the original cast iron ceiling details, which impart a sense of grandeur. Accents and custom wall coverings in rich black, white, silver and gold tones as well as dignified torchiere lamps provide a regal backdrop to any event. Large windows overlook the courtyard on one side and the Smithsonian’s National Portrait Gallery on the other. The Tokyo Boardroom looks down upon the outdoor courtyard is ideal for small meetings accommodating up to 16 people. The décor is modern and bold with a maze-like carpet – a sly reference to the political process – and comfortable two-toned French Art Deco inspired task chairs surrounding a large fixed table. All events at Hotel Monaco will be catered exclusively by the hotel’s adjacent restaurant Dirty Habit with globally influenced seasonal cuisine by Executive Chef Kyoo Eom and inventive cocktails by Head Bartender Sarah Ruiz.

    Avg response time 6-12 hrs
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    Washington Marriott Capitol Hill

    175 L St NE, Washington, DC 20002, USA
    • Spaces for 150-600 Guests
    • 2 Outdoor Spaces
    • 1 Restaurant
    • 4 Total Spaces

    Immerse yourself in the vibrant NoMa neighborhood of Washington, DC when you stay at Marriott Capitol Hill Washington, one of the best Capitol Hill hotels. Our striking hotel offers a refined escape for both business and leisure travelers, just steps from Capitol Hill & Union Station. Discover nearby shopping and dining at Union Market, explore the National Mall’s iconic landmarks, the Smithsonian museums, and Gallaudet University, or visit Media Haven, home to TikTok and Sirius Radio. Host your gatherings in dynamic meeting and event spaces that reflect the modern style of DC. Unwind in stylishly appointed guest rooms & suites with sophisticated décor and impressive city views. Savor brunch, dinner, and live jazz nights at Ciel Social Club, our rooftop lounge, or dine at Society Commons for a memorable culinary experience. Stay active in our 12,000 sq. ft. fitness center and crossfit gym. Blending culture, style, and location, Marriott Capitol Hill Washington sets the standard for hotels near Capitol Hill.

    Est. $159/guest
    Avg response time 2-4 hrs
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    Hillwood Estate, Museum and Garden

    4155 Linnean Ave NW, Washington, DC 20008, USA
    • Spaces for 90-250 Guests
    • 2 Outdoor Spaces
    • 3 Museums
    • 3 Total Spaces

    Hillwood Estate, Museum and Gardens in Washington, D.C. offers a breathtaking setting where history, art, and botanical beauty come together across 25 acres of landscaped grounds. Once the home of philanthropist and collector Marjorie Merriweather Post, the estate features a Georgian-style mansion filled with notable Russian and French decorative arts, along with beautifully designed garden rooms that bloom throughout the seasons. Manicured pathways, fountains, and lush terraces create a peaceful atmosphere for corporate and non-profit events. With elegant indoor spaces and stunning gardens, Hillwood provides a memorable backdrop for sophisticated events in the nation’s capital. Please note that private events, such as weddings, are not permitted.

    $5,000 min
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    Hook Hall

    3400 Georgia Ave NW, Washington, DC 20010, USA
    • Spaces for 300-1,375 Guests
    • 2 Outdoor Spaces
    • 2 Bars
    • 3 Total Spaces

    Set in Washington, DC’s Park View neighborhood, Hook Hall offers a bold, industrial-inspired setting for meetings, weddings, and social events. The expansive venue features flexible indoor and outdoor spaces, including a large beer hall, landscaped garden areas, and open-air patios designed for seamless event flow. Exposed steel beams, high ceilings, and customizable layouts create a dynamic backdrop for everything from intimate gatherings to large-scale celebrations, delivering a lively and distinctive event experience in the heart of the city.

    $900 min
    Pricing Details Available
    Avg response time 12-24 hrs
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    InterContinental Washington D.C. - The Wharf

    801 Wharf St SW, Washington, DC 20024, USA
    • Spaces for 30-700 Guests
    • 1 Bar
    • 10 Hotels
    • 10 Total Spaces

    InterContinental Washington D.C. – The Wharf, allows you to host memorable meetings and events of any size and authority. With over 17,000 square feet of event space, choose from 11 unique meeting rooms, and multiple elegant ballrooms to serve as your business’ headquarters while in D.C. Find inspiration with an abundance of natural light and waterfront views in addition to all of the impeccable hospitality, services and amenities needed to execute a successful event.

    Est. $265/guest
    $50,000 min
    Pricing Details Available
    Avg response time 6-12 hrs
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    Hedy’s Rooftop, an event space at Hotel Zena

    Hotel Zena

    1155 14th St NW, Washington, DC 20005, USA
    • Spaces for 12-225 Guests
    • 1 Outdoor
    • 1 Restaurant
    • 5 Total Spaces

    A Bold New Cultural Hub In The Heart of DC On Thomas Circle, at the base of vibrant 14th Street, a new narrative is unfolding. It's herstory. Your story. Everyone's story. And it proves anything is possible. Welcome to Hotel Zena, a new hotel for the traveler that thrives on inclusivity. You'll feel it in the vibrant social scene, from Figleaf Bar & Lounge to the immersive art throughout, where all genders, races, and sexualities are represented and celebrated. It all exists to redefine the future. Join us. Think freely. Dream brightly. And create tomorrow now.

    Est. $180/guest
    Pricing Details Available
    Avg response time 6-12 hrs
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    Grand Lawn, an event space at The Potomac Hotel, Autograph Collection

    The Potomac Hotel, Autograph Collection

    1330 Maryland Ave SW, Washington, DC 20024, USA
    • Spaces for 70-1,000 Guests
    • 1 Outdoor
    • 4 Hotels
    • 4 Total Spaces

    Salamander Washington DC offers an elegant urban retreat just steps from the National Mall and the nation's most iconic landmarks and attractions. Recently transformed, the hotel features 373 beautifully appointed rooms, including 51 suites with spa-inspired bathrooms, city and waterfront views, as well as thoughtful in-room amenities. Couples and guests can indulge in elevated dining, from seasonal Afternoon Tea in the Lounge to bold Afro-Caribbean cuisine at Dōgon by renowned Chef Kwame Onwuachi. With 36,000 square feet of light-filled event space, a serene two-level spa, indoor pool, and picturesque marina views, Salamander Washington DC blends sophistication and comfort - perfect for weddings and unforgettable celebrations. Whether a serene garden ceremony or a grand ballroom affair, your celebration is crafted with care to be as timeless and extraordinary as the love it honors!

    Est. $260/guest
    Pricing Details Available
    Avg response time 1-2 days
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    Viceroy Washington DC

    1430 Rhode Island Ave NW, Washington, DC 20005, USA
    • Spaces for 24-150 Guests
    • 2 Outdoor Spaces
    • 4 Hotels
    • 4 Ballrooms

    New to Logan Circle, our modern, artful hotel shows the District’s creative side. As your host, we'll get you vibing with the neighborhood and inspire you with our fresh, fearless perspective. Every guestroom and suite is spacious — a rare commodity in DC. Get settled in your very own haven and fall into the rhythm of the locals. It starts with grabbing a coffee at BPM Coffee & Wine, a buzzing spot that the neighborhood loves, and enjoying on the all-new, open-air, expansive patio. Expand your mind in The Salon, our gallery which highlights the work of local DC artists. We didn't open our doors to be politics as usual. You'll quickly see: Each day with us is a discovery, from our tree-lined street to the bustling 14th Street Corridor, just steps away.

    Est. $180/guest
    Pricing Details Available
    Avg response time 6-12 hrs
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    The Terrace Bar, an event space at La Vie

    La Vie

    88 District Square SW, Washington, DC 20024, USA
    • Spaces for 20-720 Guests
    • 1 Outdoor
    • 5 Restaurants

    Complete with a prime location at The Wharf, La Vie's spacious interior boasts four distinct event spaces spread across nearly 10,000 square feet of space and a private rooftop. La Vie's stunning venue can accommodate parties of virtually any size for any occasion. La Vie Virtual Tour: https://realtours.io/3d/lavie_2009175613/fullscreen/

    Pricing Details Available
    Avg response time 3-5 days
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    Throw Social

    1401 Okie St NE, Washington, DC 20002, USA
    • Spaces for 10-1,500 Guests
    • 2 Outdoor Spaces
    • 1 Restaurant
    • 3 Total Spaces

    Throw Social DC is a vibrant and dynamic entertainment destination located in the heart of Washington, D.C. We bring together an exciting mix of social games, live music, delicious food, and handcrafted cocktails—creating an immersive atmosphere where unforgettable moments happen. Designed to spark connection and friendly competition, our venue offers a lively, energetic setting perfect for individuals, groups, celebrations, and corporate events. Whether guests are looking to relax, play, party, or network, Throw Social DC delivers a one-of-a-kind social experience in the city. THRōW Social® DC is a vibrant 12,600 sq. ft. entertainment venue designed for social gatherings, live entertainment, and corporate events. The space supports up to 1500 guests, including a rooftop deck with a retractable roof, offering unmatched versatility for indoor/outdoor experiences.

    Pricing Details Available
    Avg response time 1-2 hrs
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    Rooftop Terrace, an event space at International Spy Museum

    International Spy Museum

    700 L'Enfant Plaza SW, Washington, DC 20024, USA
    • Spaces for 1-1,200 Guests
    • 1 Outdoor
    • 1 Ballroom
    • 7 Total Spaces

    The International Spy Museum boasts amazing views of Washington DC paired with the expertise of an experienced events team. Featuring the largest collection of international espionage artifacts on public display worldwide, The International Spy Museum is a truly unique and special venue to host your next event. When it comes to creating a memorable event, you need more than just a great space. The International Spy Museum's 7th floor Ballroom provides breathtaking, unparalleled panoramic views from the US Capitol to the Washington Monument and the Potomac River. The contemporary space sets the stage for a wide range of events and includes state-of-the-art technology. The landscaped rooftop terrace on the 8th floor of the International Spy Museum can accommodate events for as many as 150 for a seated meal and 200 for a reception. The terrace can be combined with the 7th floor space to host a grand event for up to 700 guests. For a true SPY experience, host up to 190 guests in the International Spy Museum's Lobby, where you can mix and mingle amongst large-scale artifacts. The Veil, located on the third floor of the Museum, is the perfect spot for a cocktail reception for up to 100 guests or an intimate dinner for up to 40 guests. The Veil is one of the most unique locations in the Museum, where stunning architecture and views create an unforgettable experience.

    Avg response time 6-12 hrs
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    Top of the Gate, an event space at The Watergate Hotel

    The Watergate Hotel

    2600 Virginia Ave NW, Washington, DC 20037, USA
    • Spaces for 200-700 Guests
    • 1 Outdoor
    • 4 Hotels
    • 4 Total Spaces

    The legendary Watergate Hotel the premier location for Meetings and Social Events in Washington DC. Step into the spacious, contemporary Moretti Grand Ballroom, named for the famed Watergate Complex architect, Luiggi Moretti. It is just one of the highlights of the 27,000 square feet of meeting and event space completely redesigned and renovated in 2016 to delight and satisfy the most discerning host. Ten additional spaces, across two levels comprise our distinct meeting and event rooms. Our Potomac waterfront location provides the option for natural light and river views from many of the spaces. When it comes to meetings and social gatherings in Washington D.C., nothing beats the legendary Watergate Hotel, which is conveniently located next to Georgetown. It took us until 2016 to completely re-design and renovate our 27,000 square foot meeting and event space. Our distinct meeting and event rooms are comprised of ten additional spaces spread across two levels.... The Top of the Gate, which is open from April to October, offers some of the most spectacular views of the Potomac River and Washington, DC, for your group event. Find out more about our Bridge The Distance Group Special, which is available for meetings now through February 2022 at this link. Discover an urban resort along the banks of the Potomac River as soon as you step foot in our luxury hotel in Washington, D.C. A hotel unlike any other in Washington D.C. — a place where modern design blends with an iconic landmark to redefine luxury — awaits you at the Four Seasons Hotel. In order to emulate the mighty Potomac, Luigi Moretti designed the Watergate Hotel's flowing avant-garde architecture. The Watergate Hotel's stunning new Ron Arad-designed interior lives up to the original elegance of the building. The retro-chic staff uniforms, designed by Mad Men costume designer Janie Bryant, complement the hotel's new, contemporary aesthetic. When you combine classic elegance with bold mid-century modern design, you get all of the extravagance and warmth of contemporary luxury at the Watergate Hotel. In addition to paying homage to its own illustrious past, this one-of-a-kind hotel is paving the way for the beginning of a new chapter.

    Avg response time 2-4 hrs
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    The Courtyard, an event space at The Decatur House

    The Decatur House

    748 Jackson Pl NW, Washington, DC 20006, USA
    • Spaces for 8-350 Guests
    • 1 Outdoor
    • 4 Museums
    • 4 Total Spaces

    Imagine spending a balmy evening chatting over cocktails in the courtyard of one of the most elegant and historic houses in the nation’s capital. Then, as dinner is announced, the stately French doors of the Decatur Carriage House open, and you are seated under the magnificent, vaulted ceilings at tables filled with candlelight before indulging in the first course of a finely catered meal. Recognized as one of the top event and wedding venues by the Washingtonian since 1999, Decatur House offers the ideal balance of historical significance and classic Washington style. Whether entertaining in the courtyard surrounded by lavish green gardens, the Carriage House with stunning vaulted ceilings, or the elegant historic parlors, Decatur House provides an unrivaled setting for your special event. For more than 180 years, the most important names in politics, business and society have gathered to celebrate and mingle in the shadow of the White House. At Decatur House, we welcome you to continue the tradition of fine Washington entertaining with your special event, holiday party, conference or wedding reception.

    Pricing Details Available
    Avg response time 12-24 hrs
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    George Washington Terrace & Courtyard, an event space at Four Seasons Hotel Washington, DC

    Four Seasons Hotel Washington, DC

    2800 Pennsylvania Ave NW, Washington, DC 20007, USA
    • Spaces for 10-500 Guests
    • 1 Outdoor
    • 8 Hotels
    • 8 Ballrooms

    When everything has to be right, Four Seasons DC is always the right choice. The Four Seasons Hotel Washington, DC upholds a coveted position as the capital’s most trusted venue for weddings, business meetings and special events. An icon at the entrance to the Georgetown neighborhood, The Four Seasons DC hotel welcomes you to experience America’s capital city like never before – with resort-like outdoor spaces, the best steakhouse in the city, a passionate and tenured staff, and one of the city’s top private fitness clubs and spas. Come experience Washington, DC’s first five-star, five-diamond luxury hotel, which has played host to the shapers of international and domestic politics and industry for more than three decades. Ensuring your special event at Four Seasons Hotel Washington, DC is perfect is their specialty, beginning with your choice of versatile indoor and outdoor venues. From the initial planning with your experienced, personal event consultant to the creation of your original menus, all you need to do is relax and enjoy your celebration.

  • Astor Terrace, an event space at The St. Regis Washington, D.C.

    The St. Regis Washington, D.C.

    923 16th St NW, Washington, DC 20006, USA
    • Spaces for 100-250 Guests
    • 1 Outdoor
    • 1 Restaurant
    • 4 Total Spaces

    Ideally situated on K Street, a mere two blocks from the White House, The St. Regis Washington, D.C. is the perfect address for luxury weddings in the Nation's Capital. Couples receive the highest level of care and attention, from their initial meeting with our experienced staff to the last moment of their perfect day. Bursting with natural light and dotted with history, we have one of the most elegant and romantic ballrooms in the city. We invite you to explore the sophisticated wedding venues and bespoke arrangements provided by The St. Regis Washington, D.C. We look forward to creating indelible memories with you in Washington.

    Est. $315/guest
    $45,000 min