A study was made of the floating log and stump communities of the, Santee Swamp, Sumter County, South Carolina. The species inhabiting these communities were identified; percent frequency, mean density and vitality were determined; and the substrate was characterized as to species, degree of decay and position, as floating or attached. Twenty-four species were recorded in the 30 samples studied. The communities were homogeneous as to dominants with two species, Hypericum walteri and Boehmeria cylindrica having frequency values in the 80-100% class and 19 species with frequency values in the 0-20% class.