The restaurant might now be open,
It is indeed open.
VFR routing out of Weston is via the Liffey River through the centre of Dublin
You can also be routed out via Killiney which produced some frantic map scrabbling on my part until I realised it was the NDB beacon KLY just south of Dublin. ATC don't refer to it as 'Kilo Lima Yankee' but Killiney.