Hike around Howth Head
Arriving in Howth courtesy of Dublin Bay Cruises is pretty wonderful, but if you can’t do that, the Dart will get you here in just under half an hour. Perched on the Howth Peninsula, the village and its harbor are the definition of picturesque. Step out near the pier in Howth and you’ll have the pick of some of the finest seafood restaurants in Dublin, from tapas and fine dining to moreish fish and chips at Beshoff’s. For the panoramic bay views, though, the Howth Cliff Loop Walk starts from the station and brings you up to the clifftops. Pick a trail length that suits your ability and see the sights, including Baily Lighthouse, Lambay Island, Ireland’s Eye, Howth Castle, The National Transport Museum and the Martello Tower. You'll need to book a tour of Howth Castle well in advance of your visit, but you’re free to wander the gardens, where you’ll find a Stone Age dolmen known as Aideen’s Grave.
If you have more time:
Give shore fishing a try from the piers, coves or rocky shores – you can generally hire rods and tackle near the harbour. Or maybe charter a boat from Dublin Fishing Charters at Howth for some offshore fishing.