Howland Island: Mosquito Point Bridge Boat Launch From Rochester: Route 104-East to Route 38-South. The launch is located just after the large trestle bridge on the right. From Auburn: Route 38-North through the Village of Port Byron. The launch is located just after the large trestle bridge on the left. From Oswego: Route 104-West to Route 38-South. The launch is located just after the large trestle bridge on the right. From Baldwinsville: Take Route 370-West to Route 38-South. The launch is located just after the large trestle bridge on the right. From Syracuse: Take NYS Thruway-East to Exit 40 (Weedsport), turn right onto Route 34-South. At the light, turn right on to Route 31-East. In the Village of Port Byron turn right on the Route 38. The launch is located just before the large trestle bridge on the left.