New at MGM National Harbor

America 250

Join MGM National Harbor as we commemorate America's 250th anniversary with a month-long celebration featuring exclusive dining experiences, patriotic-inspired cocktails, exciting casino promotions, limited-edition collectibles, and relaxing spa treatments. From specialty menus and commemorative giveaways to unique entertainment and rewards opportunities, America 250 at MGM National Harbor offers unforgettable ways to honor this historic milestone while creating new memories with family and friends.

Happy Hour featuring Casamigos Tequila

Wednesdays and Thursdays | 5:00 pm – 8:00 pm

Join us for Happy Hour at Diablo’s Cantina featuring Casamigos Tequila! Enjoy specially curated cocktails perfectly paired with our bold flavors and lively atmosphere. It’s the ideal midweek escape – sip, savor, and celebrate with friends.

Osteria Costa Supper Club

Last Friday of the Month | 8 - 11PM

Step into an unforgettable night at Osteria Costa’s Supper Club. This elevated experience pairs chef-crafted cuisine and signature cocktails with immersive live performances, creating a vibrant atmosphere that captivates from the first sip to the final act. It’s more than dinner—it’s a night of energy, artistry, and indulgence you won’t want to miss.