Probably not, but a yacht that was tied to them is currently tied up on the south side of Purdys Wharf.
In 2016 rumours were swirling that the Yacht Jamaica Bay was in Ireland chartered by the famous musical couple. That was never confirmed, though they are in known to have spent time a yacht Gattica Star. That vessel is owned by a Nigerian Oil Tycoon, who is currently reported to be hiding out on the boat.
Original article: Beyoncé and jay-z in town?.