Is there such a thing as passenger ferry service from Chicago?
I can’t find any links about them, but a couple of companies have proposed new ferries stopping in Chicago over the past several years, and at least one of them was shut down before starting service due to alleged financial fraud. As recently as 2003, the Port of Milwaukee was still thinking about trying to convince a company to offer this service. But bear in mind that the whole reason most people take these ferries in the first place is to avoid Chicago traffic between Wisconsin and Michigan/Indiana. The demand for service to and from Chicago is generally considered to be much lower.