Bottom hydrodynamic variables (Temperature, Salinity, Current velocitiy) were derived from the near-seafloor hydrodynamic dataset modeled using SYMPHONIE (https://www.seanoe.org/data/00943/105472/). Extreme percentiles (1%, 99%) of bottom temperature and salinity, as well as (95%, 99%) of bottom currents were interpolated to produce rasters 5-m resolution. Additionally, salinity and temperature amplitude rasters (Ampli-T ; Ampli-S) were created by subtracting T01 from T99 and S01 from S99. The dataset is composed of eight rasters. Only data below 130 m depth were retained, focused on the Lacaze-Duthiers Canyon. This dataset was produced to assess the probable distribution of habitats (habitat suitability modeling) for cold-water corals in the Lacaze-Duthiers Canyon at different resolutions as part of the European H2020 project REDRESS (Restoration of Deep-Sea Habitats to Rebuild European Seas, https://redress-project.eu/, Grant Agreement No. 101135492). SYMPHONIE is a component of the national service SIROCCO (research infrastructure ILICO). This dataset is related to the article "Mapping and Conservation of Cold-Water Corals in the Lacaze-Duthiers Canyon for Transboundary Management", submitted to Mediterranean Marine Science by Fabri et al. in 2025.