Radio Seefunk is your local radio station for the Lake Constance, Upper Rhine, and Upper Swabia regions of Baden-Württemberg, as well as Eastern Switzerland. The station is based in Konstanz. Its broadcasting area extends west-to-east from Lörrach/Basel to Isny, and north-to-south from Sigmaringen and Ulm to Zurich.

The music program features a mix of international pop and rock music from the past four decades; the editorial focus is on local information, world news, and comprehensive weather, traffic, and service information.