Sagre delle Pesche (Peach Festival) – on the last Sunday of July the old centre is crowded with people sampling drinks, marmalades, cakes and fruit salads all made from peaches. In the morning, some local youths, dressed in traditional costumes, parade from the town up to the Pontifical Palace to offer baskets of fruit in honour of the Holy Father. During the day, other cultural, sporting and recreational events take place.
Palio del Drago (Boat race) – since June 2003, a boat race is held among the towns of the Castelli Romani. On the banks of the Lake, apart from the race, there is a food fair offering typical and homemade products from Castel Gandolfo.
Festa del Santo Patrono (Patron Saint’s Day) – on the first Sunday of September St. Sebastian is celebrated with a procession, music, cultural events and a firework display.
Mercatino Profumo di Antico per le vie del Borgo (Antique Fair) – on the last Sunday of the month antique fairs, collector’s items, second hand goods, handcrafts and particular objects stalls can be found in the town centre.