Sandra Mason Dickson majored in fine art at Cazenovia College, NY, and received a B.A. from Vermont College. She has studied painting with Teco Slagboom and Don Stone and, most recently, with Ronald Frontin.

Dickson has a lifelong connection Monhegan Island, where she maintains a summer home and exhibits in the Lupine Gallery. She paints primarily in oils, with subjects ranging from landscapes and seascapes to portraits and animals.