Read this tip to make your life smarter, better, faster and wiser. LifeTips is the place to go when you need to know about Berlin and other German topics.
The Bruno Winkler shipping company is located near Schloss Charlottenburg, so you might consider combining these two. You can go on boats at the Schlossbruecke at Charlottenburger Ufer and will see a lot of the inner city. Info: Mierendorffplatz 16 (Wilmersdorf), subway stop Mierendorffplatz (U7).