Howth Harbour was built between 1807 and 1812 to serve as the official mail packet station on the Dublin to Holyhead route.

Killiney and the surrounding hills offer spectacular views across Dublin Bay and over the city of Dublin itself. The rich and famous have made their homes here.

Archbold's Castle along with Goat's Castle (the new Heritage Centre), standing along the narrow main street, are all that remain of Dalkey's seven medieval castles.

In the north coastal village of Skerries, is one of the great but least expected sights in Ireland; two working windmills and one fully equipped watermill.

Red Rock is a prominent landmark on the Cliff Walk around the Howth Peninsula.