Taxi would take approx 35mins and cost €40-€50 approx.
Hope this helps you.
I am sorry I cannot help you as I drove down to Garryvoe from Dublin. I think a Taxi would be quite expensive coming from the station. Try Googling to see if there is bus service or enquire at the hotel ( by email. ) It’s approx 36 kilometres distance. I’m sorry I cannot help you any further. Enjoy your trip.