Costa Ricans love to party, which means that you shouldn’t have too much trouble finding a night spot. Hopping areas in the capital include the university district of Los Yoses and San Pedro and the raucous Centro Comercial El Pueblo.Many establishments are open throughout the night, especially during weekends. With the exception of the small pubs, most bars double up as restaurants. There are also several casinos in San José for those interested in testing their luck.Bars: Terra U, Mosakos and …