Puerto San Julián, also known historically as Port St Julian, is a natural harbour in Patagonia in the Santa Cruz Province of Argentina located at 49°18′S 67°43′W / 49.3°S 67.717°W / -49.3; -67.717. In the days of sailing ships it formed a stopping point, 180 km (112 mi) south of Puerto Deseado (Port Desire). Nowadays Puerto San Julián is also the name of a small town (population 6,143 as per the 2001 census [INDEC]) located on the harbour.