Emapsite Marine
All the marine mapping you want, accessed in the format you need it for your organisation.

If you don't have a chart number, click here to go straight to the Marine application.

Discover the hidden depths
emapsite Marine gives you access to the authoritative data you need from national Hydrographic offices and other agencies - both here around the UK, and overseas.
By using emapsite Marine, you'll get access to a wide range of data (we track it down for you), while our flexible online services mean we are ideally positioned to give you the full marine data package.
How does it work?
- You get instant online access (no plug-ins needed)
- Data available in a GIS format of your choice
- No need to pay for surplus data - only buy the layer or area you need
- Wide range of data including the Seabed Digital Elevation Model (available as 1 or 6 arc seconds)
- Many vector themes available - geology, shipwrecks, elevation, transport etc
- We can offer bespoke datasets, incorporating your own or other suppliers' data
- Licensing options to suit your requirements
- Flexible web delivery solutions (WMS/WFS)

Emapsite Marine
Marine mapping - data for the deep, solutions for your needs.
We work with national hydrographic offices and other key agencies to offer you the widest range of authoritative marine data. Accurate, up-to-date, and delivered the way you need it: this is everything you need in a comprehensive marine data package, with the support of experts to guarantee you’ll be getting the most value from the information you’re using.
Our most popular Marine Mapping and Data products

Marine Themes - Large, Medium + Small Scale
Marine Themes comprises authoritative data from the UK & other Hydrographic Offices, engineered into logical data layers for easy loading & efficient GIS use.
Product DetailsMarine Themes - Large, Medium + Small Scale
Created by OceanWise Ltd using data from the UK Hydrographic Office and other agencies. Data derived from Electronic Navigational Charts (ENCs) is used to provide additional coverage.
- Ongoing maintenance schedule to ensure the latest survey data is incorporated.
Image (C) Crown Copyright, 2013. All Rights reserved. Licence no. EMS-EK001. Not to be used for navigation.
Technical Details
- Supplier
- Oceanwise Ltd
- Coverage
- UK waters
- Scale
- Various
- Formats Available
- SHP, TAB
- Licence Options
- Annual
- Delivery Timescale
- within 4 working hours
Related Products
Marine Themes - Gridded Sea Bed DEM, Marine Raster Charts
Download Samples

Marine Themes - Sea Bed DEM
A sea bed digital elevation model (DEM) at 1 and 6 arc seconds utilising single and multi-beam hydrographic survey data - Gridded Bathymetry.
Product DetailsCreated by OceanWise Ltd using data from the UK Hydrographic Office and other agencies. Data derived from Electronic Navigational Charts (ENCs) is used to provide additional coverage.
OceanWise Marine Themes DEM offers the following key advantages:
- Survey data modelled to create an accurate and seamless surface of the sea bed.
- Advanced de-confliction methodology improving continuity between surveys.
- Height and slope attributed coastline increasing accuracy within the coastal zone.
- Improved interpolation algorithm providing more natural shape (no flat triangles).
- Ongoing maintenance schedule to ensure the latest survey data is incorporated.
- Already exceptional value, DEM image files in GeoTIFF (or ECW) format provide even greater cost savings for many applications.
Image (C) Crown Copyright, 2013. All Rights reserved. Licence no. EMS-EK001. Not to be used for navigation.
Technical Details
- Supplier
- Oceanwise Ltd
- Coverage
- UK waters
- Scale
- Various
- Formats Available
- ASC
- Licence Options
- Annual
- Delivery Timescale
- Within 4 working hours
Related Products
Marine Themes - Gridded Sea Bed DEM, Marine Raster Charts
Download Samples

Marine Raster Charts
Familiar nautical chart base map, ready for use in GIS. Small scale charts of seas and regions to large scale charts of harbours and ports.
Product Details
Marine Raster Charts are derived in part from material obtained from the UK Hydrographic Office, supplied as image files for easy loading and use in GIS.The data is supplied in GeoTIFF format at discrete scale levels, cut-out to your chosen area and labelled by Admiralty Chart number for easy referencing. Raster Charts are available worldwide depending on permissions granted by contributing nations.
Image (C) Crown Copyright, 2013. All Rights reserved. Licence no. EMS-EK001. Not to be used for navigation.
Technical Details
- Supplier
- Oceanwise Ltd
- Coverage
- UK waters and selected global charts
- Scale
- Various
- Formats Available
- TIFF
- Licence Options
- Annual
- Delivery Timescale
- within 4 working hours
Related Products
Marine Themes - Gridded Sea Bed DEM, Marine Raster Charts
Download Samples
Large, Medium, Small: TIF