The European Atlas of the Seas displays numerous data layers provided by the EMODnet thematic portals: Bathymetry, Biology, Chemistry, Geology, Human Activities, Physics, Seabed habitats.

Bathymetry

• Mean underwater depth
• Sea Names
• Geographic grid lines
• Bathymetry and topography
• Underwater depth contours

Biology

• Zooplankton (Calanus finmarchicus) abundance in autumn, in Winter, in Spring, in summer
• Number of species and observations per sea region
• Zooplankton (Acartia) abundances in Autumn, in Winter, in Summer, in Spring

• Zooplankton (Temora longicornis) abundance in Spring, in summer, in Winter

Chemistry

• Water body dissolved oxygen concentration 2010 in winter, in spring, in summer, in autumn
• Water body ammonium 2010 in spring, in summer, in autumn, in winter
• Water body silicate 2010 in spring, in summer, in autumn, in winter
• Water body phosphate 2010 in spring, in summer, in autumn, in winter
• Water body chlorophyll-a 2010 in spring, in summer, in autumn, in winter

Physics

• Underwater noise
• Sea level anomalies
• Relative sea level trends
• Underwater glider 
• High Frequency Radar 
• Ferrybox
• Global sea-basins
• River gauging stations
• River runoff trends
• Mooring platforms 
• Argo floats 
• Drifting buoys

Human Activities

• Natura 2000 sites
• State of bathing waters
• Locations of wind farms (Points)
• Ocean energy - Project locations
• Telecommunication cables (schematic routes)
• Advisory Councils (Aquaculture)
• Main ports (Vessels traffic)
• Ocean energy - Test sites
• Freshwater finfish farms
• Offshore hydrocarbon extraction boreholes
• Shellfish production
• Cables – Malta 
• Dredging areas
• Offshore installations
• Active offshore hydrocarbon licences
• Main ports (Passengers traffic)
• Dredge spoil dumping sites (Polygons)
• Telecommunication cables - BSH Contis
• Marine sediment extraction
• Pipelines and cables - Landing stations
• Lighthouses
• Main ports (Goods traffic)
• Finfish production
• Dumped munitions (Polygons)
• Telecommunication cables - Kis Orca subsea cables
• Dredge spoil dumping (Points)
• Locations of wind farms (Polygons)
• Telecommunication cables - SIGCables routes
• Offshore pipelines routes

Geology

• Coastline erosion
• Tsunamis origin points
• Coasts affected by tsunamis
• Submarine fluid emissions
• Sea-floor stratigraphy
• Hydrocarbon reservoir
• Seabed substrates (data not seen in the map)
• Tectonic lines
• Submarine volcanoes
• Sea-floor lithology
• Submarine landslides
• Seabed sediment accumulation rates
• Sea-floor event process

Seabed Habitats

• Maerl Habitats
• Habitat classification by EUNIS 2007-11
• Posidonia oceanica distribution (seagrass species)
• Predictive habitat map (MSFD) 
• Habitat Descriptors - Biological zones 
• Coralligenous Habitats
• Simplified predictive habitat map