The Peninsula Italian American Social Club is a private club in downtown San Mateo. Our Banquet Hall is available for use by anyone. We Specialize in hosting wedding receptions, quinceaneras, corporate events, and reunions, but the space is perfect for most occasions. We have both indoors and door space, our main Ballroom can host 375 people, and the outside courtyard can host 120. We have on site event hosting specialists that can help you plan your perfect event from start to finish.