Wantagh American Legion Post No. 1273 3484 Park Ave, Wantagh, NY11793 Wantagh American Legion Post No. 1273 is located on Park Avenue adjacent to the Wantagh Fire District headquarters. The…More American Legion is the largest service organization in the United States for veterans and has been in existence since the end of World War I. The Wantagh American Legion Hall features a Wall of Honor for fallen local veterans and is available for rental.