From hiking to eating the best seafood in Ireland, here are the best things to do in Howth! Don’t miss out on eating at King Sitric Restaurant, one of the best things to do in Howth. The trail starts from Howth Train Station and is marked my green arrows on a white background. This is a circle route starting from the Howth Train Station and returning to downtown. See an Amazing LighthouseThere are two lighthouses in the area; Baily Lighthouse and Howth Lighthouse.