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The Water Mill Museum will close for the 2021 Season on Sunday, October 10, 2021, at 4:00pm.

The Water Mill Museum dates back to 1644, with a rich history of being the oldest restored working water-powered grist mill in the United States. We have exhibits of local historic artifacts, section of the Water Mill Post Office, Whaling, Fishing, Mill Pond eco-system, and Uncle Fred’s Workshop.

For additional information call 631-726-4625 or visit All are welcome. Free Admission.