Barnstable Bay may be:
*An alternative name of
Bideford Bay
Bideford Bay, also known as Barnstaple Bay and often shown on maps as Barnstaple or Bideford Bay, is a large area of water on the northwest coast of Devon in South West England, at the southwestern end of the Bristol Channel where it joins the Ce ...
, Devon, England (Barnstaple Bay)
*A Colonial-era name of
Cape Cod Bay
Cape Cod Bay is a large bay of the Atlantic Ocean adjacent to the U.S. state of Massachusetts. Measuring below a line drawn from Brant Rock in Marshfield to Race Point in Provincetown, Massachusetts, it is enclosed by Cape Cod to the south ...
, Massachusetts (Barnstable Bay)
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