Possible Clues:

• Pub not controlled by a brewery
• Join up around lough to draw attention to party that appeals to students
• Theatre audience chase complimentary drinks -- here?
• Pub at liberty to provide accommodation
• Lavish jet set outside posh type of pub
• Local accommodation thrown in?
• Theatre audience chase complimentary drinks here
• Pub not tied to brewery
• Wandering here by river, at the back of fine pub
• It isn't tied to one brewery