2013 Map of Long Island

About this map

Espiritu Santo Bay dominates this coastal landscape, separated from the open Gulf of Mexico by the narrow landforms of the Texas barrier island system. The intricate network of tidal flats and marshy reaches includes the First Chain of Islands and Josephine Motte, highlighting a dynamic environment where water and land constantly shift. The survey details the complex hydrography of the region, from the sheltered waters of Shoalwater Bay to the passages used by mariners such as Steamboat Pass. For those studying the Calhoun County coastline, this map provides a clear look at the relationships between named landforms like Long Island and Matagorda Island and the interior lagoons like South Pass Lake and Long Lake.