The term 'New York City Island' is composed of two crossword solutions: Ellis (5 letters) and MANHATTAN (9 letters). Ellis Island is a small island located in the Upper New York Bay, off the coast of MANHATTAN. It was the gateway for millions of immigrants to the United States from 1892 to 1954. MANHATTAN is one of the five boroughs of New York City, located primarily on the island of MANHATTAN at the mouth of the Hudson River. It is the most densely populated borough of New York City and is home to many iconic landmarks, including the Empire State Building and Central Park.