Shopping Walnut Creek Sock Harbor Closes at Broadway Plaza in Walnut Creek March 9, 2022 8:30 am Broadway Plaza, Walnut Creek Sock Harbor, a pop-up shop focuses on socks, which opened last November, has closed. Check out their online selection here. Broadway Plaza Previous Post Sandbox VR opens at City Center Bishop Ranch in San Ramon Next Post lululemon Pop Up Remains Open while Original Spot Expands at Broadway Plaza