TechnicalGIS

Marine, coastal and bathymetry data by country

Theme
Marine & coastal
Countries
42
National sources
53
Global datasets
11
Last verified

Hydrographic offices and coastal data, plus GEBCO bathymetry, maritime boundaries (Marine Regions), Copernicus Marine, EMODnet and coral and mangrove maps. This page lists all 53 national marine sources in the catalogue, country by country, after the 11 global datasets.

Global marine & coastal datasets

  • Allen Coral Atlas (opens in a new tab)

    Download Cost: Free

    Arizona State University · Tropical reefs

    Global shallow coral-reef geomorphic zones and benthic habitat maps at 5 m from Planet imagery, plus bleaching monitoring.

    • Marine & coastal
    • Environment
    Licence
    CC BY 4.0
    Formats
    GeoJSON, GeoTIFF, Shapefile
    Link
    allencoralatlas.org

    Verified

  • Copernicus Marine Service (opens in a new tab)

    API Cost: Free with registration

    Mercator Ocean International (Copernicus) · Global

    Ocean physics and biogeochemistry (temperature, currents, sea level, chlorophyll) as global analyses, forecasts and reanalyses; free account.

    • Marine & coastal
    • Climate & weather
    Licence
    Copernicus Marine licence (free; registration)
    Formats
    NetCDF, Zarr, API
    Link
    data.marine.copernicus.eu

    Verified

  • EMODnet (European Marine Observation and Data Network) (opens in a new tab)

    Download Cost: Free

    European Commission (DG MARE) · European seas

    European seas bathymetry (about 115 m DTM), seabed habitats, geology, human activities and chemistry from one portal.

    • Marine & coastal
    • Elevation / DEM
    • Environment
    Licence
    Free and open (EMODnet; mostly CC BY 4.0)
    Formats
    GeoTIFF, NetCDF, Shapefile, WMS, WFS
    Link
    emodnet.ec.europa.eu

    Verified

  • Global Fishing Watch datasets (opens in a new tab)

    Download Cost: Free with registration

    Global Fishing Watch · Global

    Apparent fishing effort, vessel presence and SAR vessel detections from AIS and Sentinel-1 at 0.01°; free account and API token.

    • Marine & coastal
    Licence
    Non-commercial (CC BY-NC 4.0 for most datasets)
    Formats
    CSV, API
    Link
    globalfishingwatch.org

    Verified

  • Global Mangrove Watch (opens in a new tab)

    Download Cost: Free

    Global Mangrove Alliance / Aberystwyth University / JAXA · Tropical and subtropical coasts

    Mangrove extent and change maps 1996–2020 at 25 m from L-band SAR and Landsat, with country statistics.

    • Marine & coastal
    • Land cover
    • Environment
    Licence
    CC BY 4.0
    Formats
    GeoTIFF, Shapefile
    Link
    globalmangrovewatch.org

    Verified

  • Marine Regions (maritime boundaries and EEZ) (opens in a new tab)

    Download Cost: Free

    Flanders Marine Institute (VLIZ) · Global

    Exclusive economic zones, territorial seas and IHO sea areas (Maritime Boundaries v12); not for legal use.

    • Marine & coastal
    • Boundaries & admin
    Licence
    CC BY 4.0
    Formats
    Shapefile, GeoPackage, GeoJSON, WFS
    Link
    marineregions.org

    Verified

  • NOAA Optimum Interpolation SST (OISST) (opens in a new tab)

    Download Cost: Free

    NOAA NCEI · Global

    Daily global sea-surface temperature at 0.25° since September 1981, blending satellite, ship and buoy data.

    • Marine & coastal
    • Climate & weather
    Licence
    Public domain (US Gov)
    Formats
    NetCDF
    Link
    ncei.noaa.gov

    Verified

  • Ocean Biodiversity Information System (OBIS) (opens in a new tab)

    API Cost: Free

    UNESCO IOC · Global

    Over 100 million marine species occurrence records with an API and full exports; R package robis.

    • Marine & coastal
    • Environment
    Licence
    Per dataset (CC0, CC BY or CC BY-NC)
    Formats
    CSV, Parquet, API
    Link
    obis.org

    Verified

  • ETOPO 2022 Global Relief Model (opens in a new tab)

    Download Cost: Free

    NOAA NCEI · Global

    Seamless land and ocean relief at 15 arc-seconds, 30 arc-seconds and 60 arc-seconds, with ice-surface and bedrock versions.

    • Elevation / DEM
    • Marine & coastal
    Licence
    Public domain (US Gov)
    Formats
    GeoTIFF, NetCDF
    Link
    ncei.noaa.gov

    Verified

  • World Port Index (Pub 150) (opens in a new tab)

    Download Cost: Free

    US National Geospatial-Intelligence Agency · Global

    Location, facilities and services of about 3,800 ports worldwide, updated regularly.

    • Transport
    • Marine & coastal
    Licence
    Public domain (US Gov)
    Formats
    CSV, Shapefile, PDF
    Link
    msi.nga.mil

    Verified

  • GEBCO gridded bathymetry (opens in a new tab)

    Download Cost: Free

    GEBCO / IHO / IOC · Global

    Global terrain model for ocean and land at 15 arc-second (about 450 m) resolution, updated annually; download by area as GeoTIFF or NetCDF.

    • Elevation / DEM
    • Marine & coastal
    Licence
    Public domain (GEBCO terms; attribution requested)
    Formats
    NetCDF, GeoTIFF
    Link
    gebco.net

    Verified

Marine & coastal sources by country

Africa 1 country

South Africa 1

Asia 9 countries

British Indian Ocean Territory 1
India 2
Israel 1
Japan 2
Lebanon 1
Maldives 1
South Korea 1
Taiwan 1
Türkiye 1

Europe 11 countries

Denmark 1
Finland 1
France 1
Germany 1
Ireland 2
Netherlands 1
Norway 1
Portugal 2
Spain 1
Sweden 1
United Kingdom 2

North America 6 countries

Canada 2
Saint Barthélemy 1
Saint Martin 1
Saint Pierre and Miquelon 1
United States 4
United States Virgin Islands 1

South America 2 countries

Falkland Islands 1
South Georgia and the South Sandwich Islands 1

Oceania 10 countries

American Samoa 1
Australia 2
French Polynesia 1
Guam 1
Micronesia 1
New Caledonia 1
New Zealand 1
Northern Mariana Islands 1
Palau 1
Wallis and Futuna Islands 1

Antarctica 3 countries

Antarctica 2
French Southern and Antarctic Lands 1
Heard Island and McDonald Islands 1

Tutorials that use marine & coastal data