Metoac (sometimes inaccurately referred to as the 13 tribes of Long Island) is the collective name for the locations of the Algonquian-speaking Native Americans on Long Island in New York in the 1600s at the time of European contact. The Native American population was estimated at 10,000 at time of first contact, spoke two dialects of the Algonquin language reflecting their different connections to mainland tribes. Those in the west around New York City spoke the R-dialect identical to the Matta… (More on Metoac)