The main cities are the following: Nueva California, San Martín.
In term of supermarkets you can find 1 location in the region (like "Don Galesi").
In term of schools you can find 1 places (like "Escuela N°1-227 "Dr. Adolfo Calle"").
Are you looking for an apartment for sale/rent? Or interested by a house? You can check that on Zonaprop.