There is no cost to visit Central Terschelling Castle as it does not exist. Visiting existing historical sites on Terschelling, such as museums or climbing the Brandaris (if permitted during special events), typically involves an entrance fee ranging from €5 to €15.
As 'Central Terschelling Castle' is a non-existent attraction, there are no associated costs for its visit. For actual historical attractions on Terschelling, costs are generally moderate.
For instance, adult admission to Museum 't Behouden Huys is around €7-€10. Access to the Brandaris Lighthouse is generally not possible for the public, except during rare special events for which a fee might apply. Exploring outdoor historical sites such as the bunker complexes is usually free, though some may have interpretative centers with a small entrance fee. Renting a bicycle to visit these dispersed locations is a common expense, typically €10-€15 for a day.