79 Lower Fort Street is a heritage-listed former hotel and now shop and residence at 79 Lower Fort Street, Millers Point, City of Sydney, New South Wales, Australia. It was built in 1842 as a hotel, and variously traded as a hotel or shop until 1870, after which time it operated solely as a shop. It was variously known as the Young Princess Hotel, Whalers Arms Hotel and Brown's Family Hotel in its licensed years. It was added to the New South Wales State Heritage Register on 2 April 1999.