Waters' River, also known as the Robertson Farm, is a historic home located at Manokin, Somerset County, Maryland, United States. It is a large plantation house constructed between 1800 and 1820 on the Big Annemessex River. It is a two-story, Flemish bond brick house with a steeply pitched gable roof. The interior features a great deal of Federal period detail including the stair and balustrade; mantels; paneled doors and reveals; and baseboard, chair rail, and architrave moldings. Waters' River was listed on the National Register of Historic Places in 1984.