Castellina Marittima is a commune in the Province of Pisa in the Italian region of Tuscany, located about 70 kms southwest of Florence and about 35 km southeast of Pisa. The territory of Castellina Marittima borders the following municipalities: Cecina, Chianni, Riparbella, Rosignano Marittimo, Santa Luce.

is a commune in the Province of Pisa in the Italian region of Tuscany,