Jordsand

Jordsand (North Frisian: Jorsund) was a small Danish hallig located in the Wadden Sea southeast of the Danish island Rømø and east of the German island Sylt.

Attempts to protect it from the recurring floods were made in the 1970s but with limited success since the island remained unprotected by a dyke.

By 1999 all vegetation on the former island had disappeared, and the Danish Nature Agency removed its observational hut from the flooded area.

[2] The area is now a sandbank (højsande), Jordsand Flak[3] similar to Koresand near Fanø.

Its name lives on in the name of one of Germany's oldest environmental organizations, Verein Jordsand established in 1907.