Out of Universe[]
Bayville, sometimes referred to as Pine Island, is a village located in the Town of Oyster Bay in Nassau County just by the North Shore of Long Island in New York, United States of America. By the 2010 census, the population was 6,669. The Incorporated Village of Bayville is located on the Long Island Sound facing Greenwich, Conneticut.
In Universe[]
Bayville is a town located within New York. It is where the X-Men and The Brotherhood of Mutants live as well as many humans. Locations in the town include Bayville High School, Charles Xavier's School for Gifted Youngsters and many other places.