Middlesex County, Connecticut in the context of Old Saybrook Center, Connecticut

Old Saybrook is a town in Middlesex County, Connecticut, lying on the west bank of the Connecticut River at the point where it flows into Long Island Sound. Part of the Lower Connecticut River Valley Planning Region, the population was 10,481 at the 2020 census. It contains the incorporated borough of Fenwick, and the census-designated places of Old Saybrook Center and Saybrook Manor.

Fenwick is a borough in Middlesex County, Connecticut, United States, in the town of Old Saybrook. The borough is part of the Lower Connecticut River Valley Planning Region. The population was 53 at the 2020 census, making it the least populous borough in Connecticut. Most of the borough is included in the Fenwick Historic District, listed on the National Register of Historic Places. .

Fenwick is set off from the town center of Old Saybrook by a large cove crossed by a causeway. It is located exactly where the Connecticut River flows into Long Island Sound, and sits on the river's west side. The town has two lighthouses, the Inner and the Outer. The Inner is at the tip of Lynde Point, Fenwick's peninsula, and the Outer is a quarter mile off shore, connected by a rough jetty. The Outer Light is the lighthouse shown on many Connecticut license plates.

Saybrook Manor is a community [1] and census-designated place (CDP) in Old Saybrook, a town in Middlesex County, Connecticut, United States. The population was 1,127 at the 2020 census. The Saybrook Manor section is generally the area south of U.S. Route 1 between the Westbrook town line and the Oyster River.