How many Friends and Family tickets can I purchase with my Merlin Annual Pass? Each Merlin Annual Pass holder can purchase a total of 5 Friends and Family ticket per visit to Merlin Attractions. Related articles How do I purchase Merlin Annual Pass Friends and Family tickets? Can I use my Merlin Annual Pass for entry into the Castle Dungeon? Do I get a discount for Friends or Family members when visiting with my Warwick Castle Annual Pass? Can I purchase Friends and Family tickets although I will not be attending with my Merlin Annual Pass? Are there restrictions for using a Standard or Premium Merlin Annual Pass at Warwick Castle Resort?