Port Isabel, Texas, the Beacon by the Bay, is a Seaside Community located on the tropical tip of Texas. This historic bay side town has everything from outstanding sports fishing to pirate legends. Come and explore Port Isabel. Visit our museums and learn about the rich history of the Texas coast. Gather the family to see some of our unique sea creatures and ecology. Have an adventure aboard the Black Dragon or enjoy a fine meal at our local restaurants. Explore Port Isabel. Its an adventure down here.