Jj's Deli-Mart is located at 1255 Shell Ave, Martinez, CA. This business specializes in Delicatessens. Jj's Deli-Mart is open Mon, 8am-10pm ; Tue, 8am-10pm ; Wed, 8am-10pm ; Thu, 8am-10pm ; Fri, 8am-10pm ; Sat, 8am-10pm ; Sun, 8am-10pm. and accepts Cash, Mastercard and Visa.