2020 Map of Tigre Lagoon

About this map

Tigre Lagoon and the surrounding marshlands of Iberia Parish define this coastal landscape where the land fragmentates into the expanse of Vermilion Bay. This contemporary survey details the complex hydraulic network of the Louisiana coast, dominated by the heavy commerce of the Intracoastal Waterway and the deep-draft Acadiana Navigation Channel. The interface between the freshwater outflow of Bayou Petite Anse and the brackish bay is documented here, showing the intricate relationship between natural bayous and man-made passages like Avery Canal. While the region is largely defined by open water and wetlands, specific coastal landforms such as Champlain Point and Shark Island remain vital navigational landmarks. The map illustrates the parish line between Iberia and Vermilion, tracing a boundary through a wilderness of marsh and shallow lakes like Lake Cock.