Lovely apartment and communication is spot on. We took the Air Coach from the airport which brings you to stop 10 minute walk away. Dalkey is a quaint town with great restaurants and pubs and the DART. We stayed for 8 nights and I would recommend a car for that length of time. The walk to town is approximately 50 round trip and after a long day of touring/hiking, I found the walk back too much especially in winter rain. We took taxis twice but the costs are expensive. There’s is bus option that runs hourly yet is not direct.
The space is plenty for two and during the warmer months would be awesome to enjoy the gardens!