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is a city in Aransas, Nueces, and San Patricio counties in the U.S. state of Texas. The population was 8,138 at the 2000 census. The city is named for the nearby Aransas Pass.
According to the United States Census Bureau, the city has a total area of 51.8 square miles (134.3 km²), of which, 10.7 square miles (27.8 km²) of it is land and 41.1 square miles (106.5 km²) of it (79.29%) is water.
The city is on the mainland of Texas and is connected to Mustang Island (which contains the city of Port Aransas) via a 6 mile-long causeway, and a free ferry that carries vehicles to the island.