Reid State Park is located on Georgetown Island in Sagadahoc County, Maine. The island is located on the Atlantic coast in southern Maine. The was created in 1946 when Walter E. Reid donated the land to the State of Maine and represents Maine's first state-owned saltwater beach.
Reid State Park contains several wide sandy beaches, which are uncommon on the Maine coastline. Families can enjoy swimming and fishing in the waters or a hike on one of the trails. There is a picnic area and food service available.