Vila-seca Main Festival Activity · Vila-seca, Tarragonès, Tarragona The fiesta mayor of Vila-seca, dedicated to San Esteban Protomártir, is celebrated on 3 August; during the 18th and 19th centuries the Baile de San Esteban (Dance of Saint Stephen) was performed, a tradition revived in 2018. Photo: Quim Perelló (CC BY-SA 2.0) What to see and do in Vila-seca