Explore details about location Av. San Martín. Av. San Martín is a location situated within the Tres Arroyos alongside other areas such as Zapiola, Santa Fé, Av. Güemes. Additionally, some smaller parts of Av. San Martín include specific areas like Av. Almafuerte, Pastor Compagnucci, Almirante Guise adding to the diversity of its landscape.