Home › Top 5 Gas Stations in Mastic, New York Find best Gas Stations in Mastic, New York, with all necessary contact information, including addresses, phone numbers, working hours, map locations, and website links. Valero - Mastic (NY 11950) US, Mastic, NY 119501651 Montauk Hwy 76 - Mastic (NY 11950) US, Mastic, NY 119501525 Montauk Hwy Shell - Mastic (NY 11950) US, Mastic, NY 119501081 Mastic Rd Sunoco Gas Station - Mastic (NY 11950) US, Mastic, NY 119501219 Montauk Hwy bp - Mastic (NY 11950) US, Mastic, NY 119501081 Mastic Rd