Casa B Tapas and Cocktail & Rum Bar is a modern interpretation of the traditional Spanish tasca, located in Union Square, Somerville, Massachusetts. Our tapas restaurant and cocktail & rum bar, embraces the romance, warmth and spice of Latin America. It has strong culinary roots in the Spanish Caribbean cuisines of the Island of Puerto Rico and Colombia’s Atlantic Coast, drawing further inspiration from many other Latin American countries and Spain. Casa B features a contemporary split level atmosphere where the stylish and warm dining room, with an open kitchen concept and green wall, is located in the lower level and the bar is prominent on the ground floor. We feature Spanish inspired Caribbean Tapas, a large selection of sipping rums, creative craft cocktails, unique, quality and fun wines and sherries from Spain and South America and a good selection of imported and local craft beer. Bring a friend, group or date! We assure you, your visit will be a memorable one!