The patron saints of Collesalvetti are Saints Quiricus and Julitta, celebrated on 16 June in the Church of Santi Quirico e Giulitta.
The municipal territory holds the Oasi della Contessa provincial nature reserve and the Monti Livornesi provincial park, as well as the church of Santa Maria Assunta e San Lorenzo. Among the town's places of interest is also the church of Santi Cosma e Damiano.