World ports
Explore ports and terminals around the world. Zoom in and select two circles to calculate the distance between them.
Source: NGA World Port Index, May 2026 edition published on ArcGIS. Contains 3,804 records; it is not an exhaustive inventory of every marina and small harbour.
The map loads automatically and connects to OpenStreetMap, ArcGIS and unpkg for map tiles, WPI ports and Leaflet. These providers receive your IP address and technical connection data. Marina data is served by this website.
Blue: WPI ports · Green: OSM marinas · Orange: selected
Marinas: 22,381 OpenStreetMap records from a Sailing World Map extract accessed on 22 October 2026. Coverage depends on mapped records and does not guarantee every existing facility.
Select two different ports.
Geodesic distance between coordinates, not a navigable sea route. It may cross land and does not account for draft, canals, restrictions or weather.
© OpenStreetMap contributors · World Port Index / NGA · ArcGIS · OpenStreetMap: report a map issue