Sault Ste. Marie Airport Sault Ste. Marie Airport Sault Ste. Marie Airport, , is an international airport located west-southwest of the city of Sault Ste. Marie, Ontario, Canada at the far eastern end of Lake Superior and the beginning of the St. Mary's River. The Canadian government opened the airport in 1961 and operated it until 1998, when it handed control over to the newly formed Sault Ste. Marie Airport Development Corporation (SSMADC) under the terms of the National Airports Policy. Of the 23 Ontario regional, local, or small airports handed over under the policy, the Sault Ste. Marie airport is the only one
Sault Ste. Marie, Michigan Street in Sault Ste. Marie, Ontario. Shipping traffic in the Great Lakes system bypasses the rapids via the American Soo Locks, the world's busiest canal in terms of tonnage passing through it. Smaller recreational and tour boats use the Canadian Sault Ste. Marie Canal. The city's downtown was developed on an island, with the locks to the north and the Sault Ste. Marie Power Canal to the south. The largest ships are long by wide. These are domestic carriers (called "lakers"). Too large to transit the Welland Canal that bypasses Niagara Falls, they are land-locked. Foreign ships (termed "salties") are