Mira Mesa is a community and neighborhood in San Diego, California. The city-recognized Mira Mesa Community Plan Area is roughly bounded by Interstate 15 on the east, Interstate 805 on the west, the Los Peñasquitos Canyon on the north and Marine Corps Air Station Miramar on the south. Most of the community plan area is referred to as Mira Mesa; the co…Mira Mesa is a community and neighborhood in San Diego, California. The city-recognized Mira Mesa Community Plan Area is roughly bounded by Interstate 15 on the east, Interstate 805 on the west, the Los Peñasquitos Canyon on the north and Marine Corps Air Station Miramar on the south. Most of the community plan area is referred to as Mira Mesa; the community plan area also includes the neighborhoods of Sorrento Valley and Sorrento Mesa.