Prince Edward County is a county in southern Ontario, Canada. Its coastline on Lake Ontario’s northeastern shore is known for Sandbanks Provincial Park, sand beaches, and limestone cliffs. The Regent Theatre, a restored Edwardian Opera House, sits at the heart of the town of Picton on the Bay of Quinte. Nearby Macaulay Heritage Park highlights local history through its 19th-century buildings. In 2016, Prince Edward County had a census population of 24,735.