Description: Dublin Bay is a delta shaped inlet of the Irish Sea off the east coast of Ireland. The bay is approx. 10 km in width at it’s north-south base and 7 km in length to it’s apex at the centre of the city of Dublin, stretching from Howth Head in the north to Dalkey Point (at Dún Laoghaire) in the south.

– Excerpt from thisarticle from Wikipedia.