Europe-Places.com has listed approx 53 castles in Co. Galway. Some of the Top rated castles in Co. Galway are- Dunguaire Castle, Dunguaire Castle, Dunguaire Castle, Dunguaire Castle, Portumna Castle & Gardens, Portumna Castle & Gardens, Portumna Castle & Gardens, Portumna Castle & Gardens, Portumna Castle & Gardens & Caislean Ui Bhriain.