 In the early 17th century, Asticou was the chieftain of the greater Mount Desert Island area, one district of an intertribal confederacy known as Mawooshen led by the grandchief Bashaba.Castine ("Pentagoet" in the native language) was the grandchief's favored rendezvous site for the Wabanaki tribes.The site is located just west of Mount Desert Island at the mouth of the Bagaduce River in eastern Penobscot Bay.