33 CFR §80.830

1. (a)A line drawn from the seaward extremity of the Southwest Pass West Jetty located at coordinate latitude 28°54.5′ N., longitude 89°26.1′ W.; thence following the general trend of the seaward, highwater jetty and shoreline in a north, northeasterly direction to Old Tower latitude 28°58.8′ N., longitude 89°23.3′ W.; thence to westernmost point near Pass du Bois; thence to coordinate latitude 29°05.2′ N., longitude 89°24.3′ W.; thence a curved line following the general trend of the highwater shoreline to Point Au Fer Island except as otherwise described in this section.
2. (b)A line drawn across the seaward extremity of the Empire Waterway (Bayou Fontanelle) entrance jetties.
3. (c)An east-west line drawn from the westernmost extremity of Grand Terre Islands in the direction of 194° true to the Grand Isle Fishing Jetty Light.
4. (d)A line drawn between the seaward extremity of the Belle Pass Jetties.
5. (e)A line drawn from the westernmost extremity of the Timbalier Island to the easternmost extremity of Isles Dernieres.
6. (f)A south-north line drawn from Caillou Bay Light 13 across Caillou Boca.
7. (g)A line drawn 107° true from Caillou Bay Boat Landing Light across the entrances to Grand Bayou du Large and Bayou Grand Caillou.
8. (h)A line drawn on an axis of 103° true through Taylors Bayou Entrance Light 2 across the entrances to Jack Stout Bayou, Taylors Bayou, Pelican Pass, and Bayou de West.