The bunker can be visited
Military ObjectWijk aan Zee
Atlantic Wall-Bunker

In the dune landscape around Wijk aan Zee some bunkers still remain of the Atlantic Wall, built by the German occupying forces between 1940 and 1944.
Source: Wikipedia · Licence: CC BY-SA 4.0
This description draws on the facts documented in the linked Wikipedia article; Wikipedia content is licensed under CC BY-SA 4.0. Wording and editing: Mobile History.
Location: 52.4913, 4.5873