Dairy Queen in Chula Vista serves its Treat-format menu from 664 Palomar Street inside the Palomar Trolley Center, specializing in the soft-serve and Blizzard lineup without the full Grill & Chill kitchen. The Blizzard menu anchors the location with signature builds like OREO, Reese's Peanut Butter Cup, and Royal New York Cheesecake blended into DQ's proprietary soft-serve base—a frozen-treat program that draws families returning from the bayfront exhibits at Living Coast Discovery Center south along Palomar Street. PhotoCakes printed with edible-ink imagery and custom cupcake builds extend the menu into the celebration and party-order segment. The Palomar Trolley Center location places the DQ within the transit-adjacent retail strip that also serves the lunch crowd at Homestyle Hawaiian, capturing foot traffic from the nearby trolley station. DQ's soft-serve is dispensed at 18°F—roughly 5 degrees warmer than standard hard-pack ice cream—producing the characteristically smooth, low-overrun texture that holds Blizzard mix-in pieces in suspension without melting on contact.