Padre Island 2m, with 210 km the world longest barrier island is located on Texas southern coast of the Gulf of Mexico. Padre island stretching from the city of Corpus Christi, in the north, to the resort community of South Padre Island in the south apart from the Laguna Madre. View over a Laguna by Porto Christi on North Padre Island in direction east. Presented by http://www.southpadrelive.com.