Before 1855 the passengers simply got off the ship to whatever wharf they had arrived in Manhattan, not having to go through a central processing center. >From August 1, 1855 through April 18, 1890 they arrived at Castle Garden, NY >From April 19, 1890 through Dec. 31, 1891: the Barge Office; >From January 1, 1892 through June 13, 1897: Ellis Island; >From June 14, 1897 through Dec 16, 1900: at the Barge Office; >From December 17, 1900 through 1924: Ellis Island.