Plaza Caparra is a small strip mall in Guaynabo near San Patricio. Here you can find a SuperMax, a…read morepharmacy, The House, Always 99, and Marshall's. There are a few smaller stores and some food options like Marcos Pizza, Burger Fi, and a stand that makes good Argentine empanadas called Bariloche.
I only come here for Marshall's and occasionally The House. Parking is free for the first 3 hours, and trust me, there is no reason to be here that long.