Festival of the Sea 2017 - Casteldefels from July 13 to July 16. Past days. Thursday, July 13 Friday, July 14 Saturday, July 15 Sunday, July 16 You might be also interested in: Fiesta of Corbera de Llobregat 2017 - Corbera de Llobregat - 17 Kms. Summer Fiesta 2017 - Villanueva y Geltru - 30 Kms. Fiesta of Can Parellada 2017 - Can Parellada - 31 Kms. Fiesta of La Fortesa 2017 - La Fortesa - 32 Kms. Fiesta of La Central - La Olivera 2017 - Olesa de Montserrat - 32 Kms.