Sight fishing for Redfish and Speckled Trout on the Lower Laguna Madre, Texas with Captains Richard and Susie Weldon of Weldon Charters. Light tackle spinning and fly fishing charters Guided fishing charters out of Arroyo City, Port Mansfield, and Port Isabel/South Padre Island.The lower Laguna Madre is a vast hypersaline lagoon that is bordered on the north by the Land Cut (a channel dredged through the sand flats to join the lower Laguna to the upper Laguna Madre), to the east by Padre Island (the longest barrier island in the world), and on the west by the King Ranch and Laguna Atascosa National Wildlife Refuge.