Chicago
Muskegon, Ludington, and Grand Haven are few of the Michigan port cities on Lake Michigan
Lake Michigan and Chicago
Chicago
(First answer) What is the name of a port city on lake Michigan (Um.. again.. first answer?) What is the name of a port city on lake Michigan (Second answer) Dude seriously... THAT'S THE QUESTION. Anyways, I'm not sure. Maybe Detroit I'm not good at geography I'm horrible but at least it's a real answer. (Third answer, If you have one! I want to let people know of every answer!)
Lake Michigan is Entirely in the United states
Sault Ste Marie, Michigan
Chicago
Lake Michigan.
Detroit
Thunder Bay, Duluth, and Sault Ste. Marie are all port cities on Lake Superior.
Detroit