Elmwood (Sault Ste. Marie, Michigan) Elmwood to Charles T. Harvey, who supervised the construction of the first Soo Locks while living in the house. Sault Ste. Marie merchant and businessman Peter Barbeau purchased the building in 1874 when the government sold it. Around the 1880s, substantial Queen Anne-style alterations were done to the building, diminishing the "classical elegance" of the original design. Around 1900, the building, along with a swath of the surrounding shoreline, was sold to the Michigan Lake Superior Power Company. It was used as an office building, then lay vacant for decades wnile owned by Union Carbide. It was used in the
Sault Ste. Marie Airport not affiliated with a municipality, since the city of Sault Ste. Marie declined to assume control. In 2002, the SSMADC opened "Runway Park", an entertainment and recreation area, on unused airport property to help generate revenue to support the airport's operation. The Sault Ste. Marie airport has equipment to support instrument approaches for all-weather operation, and a Nav Canada control tower. Air Canada Express operated by Jazz Air flies to Toronto Pearson International Airport six times daily using Bombardier Dash 8-100 aircraft. Porter Airlines operates four daily roundtrip flights to Toronto Billy Bishop airport during weekdays and two daily flights