Boat to Muiderslot and Pampus Welcome to Amsterdam Tourist Ferry. 6 Days a week our historical boat sails from Amsterdam IJburg to the medieval Amsterdam Castle Muiderslot (Muiden Castle) and Fortress Island Pampus, both part of the UNESCO world heritage fortress stretch around Amsterdam. Attention please: due to extra activities the Muiderslot Castle charges an extra fee of € 2,50 per person during Pentecost Sunday (June 9th) and Monday (June 10th). Also applicable to Amsterdam Pass and Museumkaart. Schedule Prices Route & Contact BOOK NOW The comfortable boats have both an inside and an outside area, bar, toilets, and heating. The boats can also be rented for parties and events.