Marysville is located in southeastern Michigan and is situated along the St. Clair River. The city is bordered by the river and Canada to the east, the city of Port Huron to the north, St. Clair Township to the south and Kimball Township to the west and is 7.3 square miles in size. Our city is strategically located near I-94, I-69 and the US/Canadian border and is the ideal location for businesses or retailers looking to capture both the Canadian and American markets.