Upper Deck Restaurant Howth is located in Howth, Ireland on Harbour Road. Upper Deck Restaurant Howth is rated 3 out of 5 in the category irish in Ireland. Upper deck is a restaurant based in the Harbour of Howth. Upper deck serve a selection of fish and meats that are locally sourced. You can find traditional dishes like Irish Cashel blue cheese, and more international dishes such as Fajitas and chicken breast wrapped in Prosciutto. The restaurant prides itself on its fantastic seaside location.