2024 Map of Grand Isle

About this map

Grand Isle occupies a precarious and vital position where the marshland of the delta meets the open Gulf of Mexico. This survey highlights the tight-knit residential and maritime layout of the island's eastern end, where a grid of streets including Orleans Ave, Jefferson Ave, and Humble Rd serves a community deeply tied to the water. The map documents the critical interface between the sheltered Bayou Rigaud and the exposed southern shoreline, providing a detailed look at the island's infrastructure, from the local Po and Grand Isle Cem to the branching lanes of Oak Ln and Walnut Ln. The boundary between Jefferson Parish and Plaquemines Parish runs through the open waters to the east, marking the political divisions of this coastal environment during the early 2020s.