The map shows 600 marinas. A click on the marina symbol opens a window with the name of the marina and a link to the "SkipperGuide", the sailing directories.
On the other way, a click on the coordinates in the sailing directories will take you directly to the port on the map.
The map shows 4000 ports. A click on the port-symbol opens a window with the name of the port and a link to the SkipperGuide, the sailing directories.
Sailing directions for the ports
Many ports are not yet listed in the SkipperGuide.
Add a new description to the SkipperGuide by "add Harbour" (for now in German).
After the next data-export, a click on the port-symbol will open an new window with a direct link to the SkipperGuide.