Boothbay is a town in Lincoln County, Maine, United States. The population was 3,003 at the 2020 census. It includes the neighborhoods of Back Narrows, Dover, Linekin, Oak Hill, Ocean Point, Spruce Shores, and the villages of East Boothbay and Trevett. The surrounding Boothbay Region is a center of summer tourist activity, and a significant part of its population does not live there year-round. Five shipyards are located in the town, the largest of which is Washburn & Doughty.

Lincoln County is a county located in the U.S. state of Maine. As of the 2020 census, the population was 35,237. Its seat is Wiscasset. The county was founded in 1760 by the Massachusetts General Court from a portion of York County, Massachusetts and named after the English city Lincoln, the birthplace of Massachusetts Bay Provincial Governor Thomas Pownall.