Marine Mill, Historic sawmill site in Marine on St. Croix, United States.
Marine Mill is a historic sawmill site in Marine on St. Croix located on a bluff overlooking the St. Croix River in eastern Minnesota. Stone foundations and structural remnants mark where timber was processed, and the ruins show the scale of what once stood here during the height of lumber production.
The sawmill started operations in 1839 as one of Minnesota's first commercial lumber producers and grew rapidly over the following decades. Operations ceased in 1895, ending a major chapter in the region's industrial history along the river.
The mill foundations reflect the importance of lumber processing in Minnesota's early growth and how the river was central to industrial life here. The location shows how water power shaped work and trade in the St. Croix Valley during the 1800s.
The site is reached via Judd Street off Minnesota Highway 95 and offers free admission year-round. Visiting is possible from sunrise to sunset any day, so you can plan your trip around daylight hours.
The site contains ruins of multiple buildings that reveal the complexity of running a sawmill operation in the 1800s. The elevated location gave mill owners a clear view of the river, which was essential for monitoring log movement and managing the flow of raw materials.
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