The port of Oswego, located on the eastern shore of Lake Ontario, is a 6-letter port city in New York State. CREDIT, another 6-letter port city, is located on the western shore of Lake Ontario in Ontario, Canada. Elgin, a 5-letter port city, is also located on the western shore of Lake Ontario, near CREDIT. Lastly, Toronto, a 7-letter port city, is located on the northern shore of Lake Ontario. All four of these port cities are located on the shores of Lake Ontario.