Mich. Comp. Laws § 570.403
Any person claiming to have any such lien as is specified in the preceding sections may file a complaint, giving security for costs as hereinafter provided with the clerk of the circuit court of any county, setting forth, in separately numbered articles, the facts upon which such claim is based, and the amount due over and above all payments and discounts, as near as may be, which shall be verified by affidavit, in the same manner as bills in chancery: Provided, That in Wayne county such complaint shall be filed with the clerk of the recorder's court of Detroit, or the clerk of the circuit court of said Wayne county, and that said courts, and the circuit courts of the counties of Macomb, St. Clair, Monroe, Sanilac and Huron, shall exercise concurrent jurisdiction over all water-craft within the limits of either of said counties, and that process issued, as provided in the next section, from the courts of either of said counties, may be served in the waters of either of said counties by the sheriff of either; and that the circuit courts of the counties of Saginaw and Bay shall exercise concurrent jurisdiction over all water-craft within the limits of either county, and that process issued from either of said last named courts may be served in the waters of either county, by the sheriff of either. The circuit court of the counties of Kent and Ottawa shall in like manner exercise concurrent jurisdiction over all water-craft within the limits of either county, and the circuit courts of the counties of Muskegon and Newaygo shall exercise concurrent jurisdiction over all water-craft within the limits of either county, and process issued from either of said courts exercising such concurrent jurisdiction may be served in the waters of either county by the sheriff of either.
MCL 570.403