The Showboat Atlantic City Casino is the “New” home of House of Blues tower, featuring the HOB Restaurant and Spirit Bar, HOB Concert Venue, Poker Room, Club Worship and Foundation Room private dining club. The music is jumping, the slots are pumping and the party has just begun. Showboat Atlantic City - Mardi Gras Casino invites you to experience a world-class entertainment destination where customers enjoy a total gaming entertainment experience, hundreds of new slots, Cajun and Louisiana specialty dishes, and a variety of amenities.