San Lorenzo al Mare (Ligurian: San Loénso) is a comune (municipality) in the Province of Imperia in the Italian region Liguria, located about 100km southwest of Genoa and about 10km west of Imperia. As of 31 December 2004, it had a population of 1,409 and an area of 1.3km². San Lorenzo al Mare borders the following municipalities: Cipressa, Civezza, Costarainera, and Imperia.
