Castle Clinton National Monument does not charge an admission fee.
Reservations are required for groups of 10 or more. Please call (212) 344-7220 and speak with a Ranger to book a group visit. A two-week advance notice is necessary. Voice mail messages cannot be used for confirmation.
There is a fee for the ferry to the Statue of Liberty and Ellis Island. Please contact Statue Cruises at 1-877-LADY TIX (1-877-523-9849).