Eyak was also under pressure from its neighbors to the west, the Alutiiq people of Prince William Sound, as well as some pressure from the people of the Copper River valley.
Bahasa Eyak juga ditekan dari daerah sekelilingnya ke baratm suku Alutiiq di Teluk Pangeran William, juga sejumlah tekanan dari suku-suku di lembah Sungai Copper.