The following categories of visitors are entitled to 50% reduced admission in single tickets.

Children and young people aged between 6 and 25 years, from non-European Union countries, upon presentation of their passport for verification of their age and country of origin.

Senior citizens over 65 from Greece or other EU member-states and the European Economic Area, upon presentation of their ID card or passport for verification of their age and country of origin.

Parents accompanying primary education schools visits from EU member-states and the European Economic Area.

Escorting teachers of educational visits of schools and institutions of primary, secondary and tertiary education from non European Union countries.