Directions to CSG's Ronkonkoma, NY Office From the east (Port Jefferson or Orient Point--the ferries): Take the Long Island Expressway West to Exit 57 staying in the left lane. At the light (you will see a sign that says Islandia Plaza) make a left onto 454 – which is Veterans Memorial Highway. Take Vets Memorial Highway seven (7) lights down to Fifth Avenue (Econo Lodge on the corner and Hess gas station across the street). Get in the turning lane to make a left onto Fifth Avenue. Turn right into the first driveway/parking lot – office is located at the back of the building. From the east (MacArthur/Islip Airport): Once you leave the airport, make a right on Veterans Memorial Highway and take it to Fifth Avenue. Make a right onto Fifth Avenue. Turn right into the first driveway/parking lot – office is located at the back of the building. From the west: Take the Long Island Expressway to Exit 57, get into the right lane. Go to the second light on the service road down to 454 which is Veterans Memorial Highway and make a right (Hampton Inn on the corner). Take Vets Memorial Highway six (6) lights down to Fifth Avenue (Econo Lodge on the corner and Hess gas station across the street). Get in the turning lane to make a left onto Fifth Avenue. Turn right into the first driveway/parking lot – office is located at the back of the building. See MapQuest for customized directions.