Open Year Round, 11am-1am, 7 Days. Serving Lunch and Dinner. Located "a block from the Rock" (directly up the hill) in Plymouth's historic downtown Station One Firehouse. Sam Diego's offers bountiful plates of Mexican & Southwestern cuisine, award-winning ribs, salads, sandwiches, burgers and a special children's menu. Seasonal patio dining. 2 levels. 2 bars. Eclectic Southwestern atmosphere.