At Kapfenburg Castle, numerous rooms of various sizes are available for your celebrations:

- Rooms & lounges at the upper castle (up to 60 people)
- Restaurant Fermata (up to 68 people)
- Restaurant Fermata & "Brugschenke" (up to 90 people)
- Knights‘ Hall (up to 90 people/round tables)
- Princes‘ Hall (up to 120 people/round tables)
- “Fruchtkasten” / warehouse (up to 350 people/beer garden furniture)

Upon request, the castle’s second floor can be rented, too.

For standing receptions, there are more accommodations available:

- Knights’ Hall (up to 180 people)
- Castle terrace (up to 150 people)
- Summer terrace (up to 100 - people)
- Private chapel (up to 80 people)