The weekly schedule of the S.S. "Manitoulin" began with an 11:15 p.m. Monday departure from Owen Sound, arriving Tuesday morning at Killarney, then through the North Channel, calling at Manitowaning, Little Current, Gore Bay, Meldrum Bay, Cockburn Island, Hilton Beach, Richards Landing, and Sault Ste. Marie, Ontario, arriving at Mackinac Island, on Wednesday evening. Returning over the same route with departure from Mackinac Island at 11 a.m. Thursday, the "Manitoulin" arrived at Owen Sound on Saturday morning at 4:30. Weekend trips on the "Manitoulin" departed 11:15 p.m. Saturday, with calls at Killarney, Manitowaning and Little Current, followed by arrival back in Owen Sound at 4:30 Monday morning.