Glückstadt is part of the train connection from Hamburg to Westerland, located between Herzhorn and Krempe; you can use either the local train provider Deutsche Bahn (DB) or Nordbahn.
Glückstadt’s train station is only a three-minute walk away from the town centre.
There are trains running approx. every hour.
In Elmshorn, you can change to local trains to either Kiel or Flensburg, which also stop at Glückstadt.