Boon Island is a barren, rocky island in the Gulf of Maine 6 mi (9.7 km) off the coast of York, Maine, United States. The island, which is approximately 300 ft (91 m) by 700 ft (210 m) at low tide, is the site of Boon Island Light, at 137 ft (42 m) high, it is the tallest lighthouse in New England. Numerous vessels have been wrecked on its rocky shoreline. John Winthrop, the English Puritan lawyer and one of the leading figures in founding the Massachusetts Bay Colony, mentions passing Boon Island in the 1600s.

York is a town in York County, Maine, United States, near the southern tip of the state. The population in the 2020 census was 13,723. Situated beside the Atlantic Ocean on the Gulf of Maine, York is a well-known summer resort town. It is home to three 18-hole golf clubs, four sandy beaches, and Mount Agamenticus. From south to north, it is divided into the villages of Bald Head, York Village, York Harbor, York Beach and Cape Neddick.