SS Manitoulin

SS Manitoulin was a steamship that provided service on the North American Great Lakes. In 1950 she was replaced by SS Norgoma.

SS Modjeska, was a damaged former Lake Ontario excursion boat, that in 1926 was moved to Owen Sound following repairs. That winter, the ship was fitted with cabins and staterooms for up to 150 passengers and renamed Manitoulin.

The vessel was run by the Owen Sound Transportation Company.