IDryslwyn Castle On high ground overlooking the Tywi Valley, to the E of the B4297 and on the N side of the river.
IKidwelly Castle Situated on a bluff above W bank of Gwendraeth Fach, across river from modern town centre.
ILaugharne Castle On an elevated coastal site near the town Hall, reached by path in front of Castle House.
ILlanelly House Situated on corner of Vaughan Street and Bridge Street, facing Parish Church.
ILlanelly House Situated on corner of Vaughan Street and Bridge Street, facing Parish Church.
ILlansteffan Castle Prominently situated on a rocky promontery, overlooking the mouth of the Tywi.
INewcastle Emlyn Castle Sited on a peninsula of land to W of the town and almost surrounded by Afon Teifi. Pedestrian access from Castle Street.
IOld Dynevor Castle Set high on a rocky, wooded ridge above Afon Tywi with exceptional, picturesque views to the castle from S over the river and from the landscaped park to N.