The unique qualities that Texans love so much about Port Aransas is that it has grown from the perfect sleepy fishing village with endless miles of fabulous beaches to the perfect family vacation area. Port Aransas is on Mustang Island off the Texas Gulf Coast, there are 18 miles of beautiful beaches. This is the world's longest barrier island, and one of only three in the United States you can still drive on. Port Aransas, Texas also has great restaurants, shopping, and nightlife.