Little Dauphin Island is a 3.6 km (2.25 mile) long tidal marsh 344 ha (851 acres) in size lyingjust north of Dauphin Island. The eastern end of the Island supports a small stand of loblolly and slash pine (Pinus taeda) and (P. ellioti), while the western end is a Juncus dominated marsh with shell mounds supporting growths of dwarf live oak (Quercus virginiana var. geminata). The northwestern portion of the island has a broad shoreline of sand flats.