Gulf 270 Main St, Medfield, MA02052 This gas station is located on Main St. near Marshalls. The station has several self-service pumps and a large…More convenience store. The convenience store carries cigarettes, lottery tickets, general groceries, snacks and drinks. Ice and basic car care products like oil and WD-40 are available. The station is also running a special promotion with the Medfield Car Wash. With each car wash purchased consumers can save at the pump.