Buzzards Bay is a census-designated place (CDP) in the town of Bourne in Barnstable County, Massachusetts. The population was 3,549 at the 2000 census.
Buzzards Bay is a bay of the Atlantic Ocean adjacent to the state of Massachusetts. It is approximately 45 kilometers (28 miles) long by 12 kilometers (8 miles) wide and is a popular destination for fishing, boating, and tourism. Since 1914, Buzzards Bay has been connected to Cape Cod Bay by the Cape Cod Canal. In 1998 Buzzards Bay was designated an Estuary of National Significance.
It is surrounded by the Elizabeth Islands on the south, by Cape Cod on the east, and the southern coasts of Bristol and Plymouth Counties in Massachusetts to the northwest. To the southwest, the bay is connected to Rhode Island Sound. The city of New Bedford, Massachusetts is a historically significant port on Buzzards Bay, known for its role as one of the world's most successful whaling ports in the early- to mid-1800s.