The Sagkeeng First Nation is a Treaty-1 First Nation in the Eastman Region of Manitoba, Canada, that is composed of the Anishinaabe people indigenous to the area at or near the Fort Alexander Indian Reserve #3 located along the Winnipeg River and Traverse Bay. Today, Sagkeeng holds territory in the southern part of Lake Winnipeg, 120 kilometres (75 mi) north of the city of Winnipeg, and on the mainland.