O'Brien's Castle, Inisheer

#3 of 6 in Things to do in Inisheer
O'Brien's Castle, also called Furmina Castle, is an early 15th century tower house and National Monument located on Inisheer, Ireland.
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O'Brien's Castle Reviews

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TripAdvisor Traveler Rating 4.5
92 reviews
  • One of many O’Brien castles near Galway Bay, the one on Inisheer is crumbling but central to the island. Built on the highest point on Inisheer, the hike up is steep but the views are stunning. From.....  more »
  • As others have said these ruins are not huge, but the views of the island and the ocean with the castle in the foreground, absolutely beautiful. I took some of my favorite pictures of my whole...  more »

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