The offer
Tiled chart streaming API
Raster charts and layers rasterised from official vector data, from around 20 hydrographic offices, delivered as a tiled stream you can integrate into any web map or desktop GIS client.
S-63 datasets
Encrypted vector chart datasets in the S-63 format for compatible systems.
Custom chart sets
Specific extracts and formats negotiated to fit your application's needs.
Use cases
Onshore GIS & maritime operations
Chart layers in desktop GIS and operations dashboards for ports, offshore energy and coastal management.
Fleet tracking & maritime SaaS
Chart layers for AIS and satellite vessel-tracking platforms and other maritime SaaS solutions.
Media & web visualization
Nautical charts embedded as a base layer for online media and web-based data visualization.
Navigation app publishers
Do you publish a navigation app for boaters? GeoGarage chart subscriptions are bought by boaters on accounts.geogarage.com and displayed inside partner apps. See our partner apps, and contact us to join the programme.
A pioneer you can trust
Founded in 1997, the GeoGarage team pioneered nautical webmapping: in 2008 it was the first to offer a continuous online display of the complete NOAA nautical raster chart catalogue — 1,018 charts at the time. Read more on our About page.
Talk to us about your integration
Tell us about your application and the chart data you need — we'll get back to you.