Plum Island Preservation Study Act

This bill directs the Secretary of the Interior to conduct a study of Plum Island in New York. The study will evaluate the island's national significance and assess options for preserving, protecting, or interpreting the site through federal, state, local, or private efforts. It requires the Secretary to consult with relevant agencies and organizations, estimate costs for potential preservation actions, and submit a report to Congress within three years of funding. The bill does not create new laws or directly affect residents or businesses; it only establishes a process to inform future decisions about Plum Island.