Castro Valley Marketplace - Where Food Makes Family Experience the East Bay’s largest food hall and community gathering space. You will enjoy award-winning eats in a variety of cuisines; sustainably minded groceries, meats, and oils; handcrafted baked goods; top-shelf cocktails and wine; local wares; gathering spaces, and so much more! All conveniently located in the center of Castro Valley. Our lineup of locally-owned & independent businesses welcomes you the the heart of our town.