Mich. Comp. Laws § 98.1

Sec. 1. The council of a city may regulate and license ferries from the city or a place in the city; require the payment of a reasonable sum for a ferry license; impose reasonable terms and restrictions in relation to the keeping and management of ferries, and the time, manner, and rates of carriage and transportation of persons and property by ferry; and provide for the revocation of a ferry license and for the imposition of sanctions for the violation of an ordinance prohibiting unlicensed ferries and regulating ferries established and licensed.