A nice little history lesson for anyone looking for ancestors who emigrated to America. People often just think of Ellis Island but Castle Garden was another entry point in New York for a period of time.
https://www.familysearch.org/…/ny-castle-garden-ellis…/
Castle Garden and Ellis Island Immigration Records are available for free on various sites including;
https://heritage.statueofliberty.org/
…… and also on the various paid sites.

Happy Hunting
Sandra