The area of Marine City had been Ojibwa territory for centuries before the first European contact. Beginning in the 17th century, French trappers and missionaries entered the territory, followed by settlers in the colonial period on both sides of the Detroit and St. Clair rivers. Farmers developed long, narrow plots that were laid out in the typical rectangular shape of colonial French, with the narrow end along the riverfront. The first Catholic Church was built by French Catholics at Catholic Point, where they had bought land before the United States was formed. French Canadians also lived on the other side of the river in a small farming community known as Petite Côte.