No one knows more about the local real estate market than Nesbitt Realty. Occoquan is derived from an Algonquian Doeg Indian word, meaning “at the end of the water”. The town is located on the southern bank of the Occoquon River where the Occoquon River drains into the Potomac. The location was long a site of indigenous peoples’ habitation. Like the British colonists after them, they relied on the river for transportation and trade, as well as fish. Occoquan is the site of the first automated grist mill in the nation. Grain was taken from the holds of ships and off barges, processed, and returned to these carriers by machinery operated by only one man… then transported to markets from Alexandria to the West Indies. The Mill operated for 175 years until it was destroyed by fire. The only remaining part, the miller’s office, is now a museum operated by Historic Occoquan.