From an objective point of view, bars don't really get any better than Gu. Creative, ambitious cocktails like the 'Viaje de Colon' (pisco, lemon juice, mango puree, agave nectar, basil)? Check. Guest DJs and the city's most beautiful crowd? Check. An interior decor that pays homage to midcentury origins? Check. Food that goes above and beyond typical bar fare? Check. Spectacular views over one of the world's most beautiful bays? Check. A must while in San Sebastián.