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Cosmos Club

3.8 (63 reviews)
Open • 6:00 am - 11:00 pm
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Cosmos Club Photos

Business Info

COSMOS CLUB ATMOSPHERE

What's the vibe?
Classy
Quiet
Outdoor seating
Formal (Jacket Required)

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Recommended Reviews - Cosmos Club

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Reviews With Photos

Alice J.

Cosmos Club is a very refined and elegant venue. A member invited me here for a special event, and I was in awe of the photos of Nobel laureates on the wall who are club members. The whole place is just very civilized! Lunch (roasted chicken) was delicious.

Pat C.

This is a review of the Cosmos Clubhouse and tour, without dining or staying there. The experience was good. They are open to public for tours only four times a year. We were lucky to get tickets. Photos and videos are not allowed inside. A dress code is observed. Athletic clothing and footwear, jeans, t-shirts are not allowed. Since it was big group, we were split into two groups. Our tour guides were nice; the lady who carried old pictures of the mansion seemed to have forgotten to show us the pictures but remembered at the end of the tour. The tour started on time and we went to the lobby, ballroom, library, dining area, and Dolley Madison room. The mansion in Beaux-Arts style was beautiful and full of history. We learned interesting facts about the people who once owned it, architecture, and others.

Phil T.

The world is filled with wonderous and magical feats. They happen every day and they leave the mind awash with glee and possibility for the future. I spend an inordinate amount of time watching such things on various internet mediums. Often, I travel great distances to be enthralled by hearing the very people who perform these achievements in person and, without doubt, seeing them in the flesh, recounting their journey, is the superior option. Having the ability to see such recanting of magic in my current city of residence, at the Cosmos Club, has been a long-time bucket list, and the evening lived up to the hype. I was very fortunately invited to the cocktail and dinner preceding the lecture where I heard from astronauts and authors, scientists and titans of industry, schmooze about their latest endeavors. It was required that I hunt in the back of my closet for formal attire to attend and I was pleased to find that the long desert of covid had not dulled my ability to tie a Windsor knot or find a lovely home for my iPhone in a snazzy dinner jacket. The venue and ambiance were very reminiscent of my college days: conversing in halls of high ceiling whose walls were lined with dark wood and decorated with original works of art featuring faces whose time on this Earth was marked by moments of discovery and a zeal to share that knowledge widely. I was sad when the evening ended and will conspire to be a guest whenever the breadcrumbs of an opportunity might present itself. Every day the world seems to inch closer to a chaotic and loathsome state. I take great comfort in knowing people continue to revere the fascinating and take time to hear from those who bring it to life.

Employee commendations book
Todd B.

Food: 5* Service: 5* Ambience: 6* Location: 5* On a business trip, a member was able to get our group into this place. Wow! What a memorable experience. The food was amazing. I had steak with mashed potatoes and asparagus. The steak was perfectly cooked, tasty, and ample. The potatoes were fantastic. I don't know what they did to them, but they were so tasty. I actually asked for more! The location near DuPont Circle was great. This former mansion was impressive. See the pictures attached to this review. Classy, full of wood, and wonderfully historic.

Popover?
Eric F.

Attended a special event. The appetizers were quite good. The popover served as a roll would have been enough to get the stars.

a pair of curtains in a bathroom
Alan C.

Truly a historic landmark with insights on history . Nice rooms with breakfast, lunch and dinner on-site. The staff is very professional and pleasant. You are not allowed to tip any staff and there are dress code rules when dining in the on-site in the dining area and in the library area. This is a members only organization for members but you may be able to stay if you are a member of a reciprocal organization. I enjoyed viewing the ballroom, library and other rooms in the club. Various art, photos and historical landmark items to view. Enjoy.

Miriam W.

I could totally believe that the Cosmos Club was once the social headquarters for Washington's intellectual elite. The point is driven home with black and white portraits of the club's 32 Nobel Prize winners and 56 Pulitzer Prize winners that cover the first floor walls of this elite private club's stately Beaux-Arts mansion. I attended an engagement dinner here last night and had a lovely time. The event was held in the Gold Room and began with passed hors d'oeuvres and cocktails. The spicy, skewered fried shrimp was especially tasty. Popovers were served with dinner. They were cooked slightly longer than I might've liked but in the end, popovers are hard to argue with! Another standout was the butternut squash soup which had a bright, savory flavor. Food aside, the best part of the Cosmos Club for me was the library. Three of us ascended the grand staircase to get to this hushed room. Inside there were current copies of every reputable magazine and journal you can think of. And several shelves were dedicated to recent works by Cosmos Club members. I could have easily wiled away hours in this library. Now, if only I knew a member who could get me access on a regular basis!

Cosmos Club on December 4, 2020
Rempee K.

An absolute splendid lunch over a discussion of Shakespeare! If you go with a member you will be able to have lunch there. They have a really nice selection of desserts or dessert bar and as well as three-course entrée. The food is really good I had chicken and soup and salad.

Second floor landing

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7 years ago

Business lunch meeting. Very relaxing atmosphere. Blackened shrimp salad with quinoa and mango was delicious.

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Review Highlights - Cosmos Club

“Food: 5* Service: 5* Ambience: 6* Location: 5* On a business trip, a member was able to get our group into this place.”

Mentioned in 19 reviews

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Food 8/10 Atmosphere 9/10…read moreService 3/10 Came here for DC Summer Restaurant Week and unfortunately left pretty disappointed, especially for the price point. First off, there seemed to be only one waiter handling around 7-8 tables. Tables on both sides of us were visibly getting frustrated with how slow the service was. We came to enjoy ourselves and weren't in a rush, so we didn't mind waiting as much, but the service was noticeably slow. Interestingly, the actual dishes came out fairly quickly, but everything else--ordering, drinks, checking in, and getting things we needed--took a long time. For a restaurant at this price point, I was also expecting the overall experience and atmosphere to feel a little more elevated. It didn't really feel particularly upscale or special, and the bathrooms were noticeably dirty, which was surprising and definitely took away from the experience. Overall, the food was decent, but between the understaffed service, cleanliness, and atmosphere, I didn't feel the experience matched the price. Restaurant Week is usually a great opportunity to try a higher-end restaurant and want to come back, but unfortunately I don't think I'd return at the regular menu prices.

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Le Diplomate - Escargot

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The Hamilton - The bar and partial dining area.

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The Pembroke - The Pembroke: they have a coffee shop too!

The Pembroke: they have a coffee shop too!

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Cosmos Club - bars - Updated October 2026

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