The Department of the Interior (Department) gives notice that the Acting Principal Deputy Assistant Secretary-Indian Affairs (PDAS-IA) has determined the Shinnecock Indian Nation is entitled to be acknowledged as an Indian tribe within the meaning of Federal law. This notice is based on a determination that affirms the reasoning, analysis, and conclusions in the Proposed Finding (PF). The petitioner satisfies the seven mandatory criteria for acknowledgment set forth in the applicable regulations, and therefore, meets the requirements for a government-to-government relationship with the United States. This notice is the Final Determination (FD). Based on the limited nature and extent of comment and consistent with prior practices, the Department did not produce any detailed report or other summary under the criteria pertaining to this FD.