Portora Castle is a castle in Ennskillen, Co. Fermanagh. The Castle was built for Sir William Cole who purchased the land in 1612. It is strategically positioned by the narrow exit of the River Erne into the Lower Lough Erne. It is a state care historic monument in the townland of Portora. Sir Michael Cole & his family moved to Portora Castle in 1710 when their previous residence, Enniskillen Castle, was hit by fire. They remained there until about 1716, when sir Michael's son, John Cole started building Florence court.