Home › Top 4 Gas Stations in Lake Ronkonkoma, New York Find best Gas Stations in Lake Ronkonkoma, New York, with all necessary contact information, including addresses, phone numbers, working hours, map locations, and website links. Speedway - Lake Ronkonkoma (NY 11779) US, Lake Ronkonkoma, NY 11779440 Portion Rd Sunoco Gas Station - Lake Ronkonkoma (NY 11779) US, Lake Ronkonkoma, NY 11779435 Smithtown Blvd Mobil - Lake Ronkonkoma (NY 11779) US, Lake Ronkonkoma, NY 11779271 Portion Rd Cumberland Farms - Lake Ronkonkoma (NY 11779) US, Lake Ronkonkoma, NY 11779316 Smithtown Blvd