Torrey Pines is a community neighborhood of 2,600 acres in the northern coastal area of San Diego, California, with large areas of office space along Interstate 5. The large office, retail, entertainment and academic facilities in University City a.k.a. UTC, Sorrento Mesa/Sorrento Valley, Torrey Pines, and Del Mar Heights/Carmel Valley, together form San …Torrey Pines is a community neighborhood of 2,600 acres in the northern coastal area of San Diego, California, with large areas of office space along Interstate 5. The large office, retail, entertainment and academic facilities in University City a.k.a. UTC, Sorrento Mesa/Sorrento Valley, Torrey Pines, and Del Mar Heights/Carmel Valley, together form San Diego's "North City edge city", edge city being a major center of employment outside a traditional downtown.