Geography According to the United States Census Bureau, the village has a total area of , of which is land and is water. It is located at the tip of the Thumb of Michigan. Port Austin is home to a rock formation known as Turnip Rock, found to the northeast of town on Point Aux Barques. Nearby is Port Crescent State Park, which has one of Michigan's finest sand beaches. alt=A long pier that curves right, with ice frozen along the entirety of the pier.|thumb|A view from Port Austin Breakwater Pier, with ice freezing over during the winter.
geography according to the united states census bureau the village has a total area of  of which is land and is water it is located at the tip of the thumb of michigan port austin is home to a rock formation known as turnip rock found to the northeast of town on point aux barques nearby is port crescent state park which has one of michigan's finest sand beaches alt=a long pier that curves right with ice frozen along the entirety of the pier|thumb|a view from port austin breakwater pier with ice freezing over during the winter