Statue City Cruises is the ONLY vendor authorized to provide tickets and transportation to Liberty and Ellis Islands. No other ferry company can give you access to the Islands, monuments, and museums. Additional tickets are not needed to enter the Statue of Liberty Museum or Ellis Island National Museum of Immigration. Ferry schedules change seasonally and during periods of high tourism. Up-to-date schedules are posted on the Statue City Cruises website. To guarantee entry, purchasing tickets in advance is recommended.

Source: Statue of Liberty