Abundance (individuals/m2) of macrozoobenthic taxa at littoral/upper infralittoral soft-bottom stations in the Natura 2000 MPA "Ropotamo" (BG0001001), southern Bulgarian Black Sea. The data were collected during field surveys of IBER-BAS in 2013 as part of project COCONET. The dataset also contains a visual description of sediment type at the stations, and a habitat type classification to EUNIS L3.