Waterville, historically known as Coirean, is a village in County Kerry, Ireland, on the Iveragh Peninsula. The town is sited on a narrow isthmus, with Lough Currane on the east side of the town, and Ballinskelligs Bay on the west, and the Currane River connecting the two. The N70 Ring of Kerry route passes through the town. As of the 2022 CSO census, Waterville had a population of 555.