Grass Island USGS Belle Isle Quad, Louisiana, Topographic Map

Grass Island is an Island in the state of Louisiana (county of St. Mary), located at latitude - longitude coordinates (also known as lat-long or GPS coordinates) of N 29.53494 and W -91.42233. Grass Island is shown in the center of the topographic (topo) map, which is sourced from the United States Geographical Survey map USGS Belle Isle quad. The nearest major town is Calumet, LA.