 After World War II, demand for housing prompted development in the northern part of the peninsula with year-round housing.The historic district is essentially U-shaped, hugging the shoreline along the eastern bank of the Niantic River and the west and north sides of Keeny Cove.Its northwestern boundary is at the East Drive, from which it runs south, around Sandy Point, and along Oswegatchie Road nearly to the head of Keeny Cove.