This shapefile is based on a seabed sediment sample database of samples collected as part of Water Framework Directive Benthos Monitoring (Marine Institute) between 2014-2020. All coordinates have been converted to decimal degrees. Original coordinates were in different projections (most likely randomly ranging between IRENET 95 Irish Transverse Mercator and TM65_Irish _Grid). Prior to conversion they have been standardised using GIS. All PSA (particle size analysis) data have been merged into three classes (MUD, SAND, GRAVEL) and checked if they add to 100%. Samples which did not pass this QC (quality control) were removed from the database. Where available this shapefile also includes the Loss on Ignition organic carbon % results. This shapefile is showing location of 2068 samples and Folk sediment type classification for samples with available PSA (particle size analysis) data. These samples have been collected onboard different vessels including RV Celtic Voyager. None