O'Brien's Castle, Inisheer

4.4
#3 of 6 in Things to do in Inisheer
O'Brien's Castle is located in Inisheer. Take a look at our Inisheer attractions planner to schedule your visit to O'Brien's Castle and learn about what else to see and do during your holiday.
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O'Brien's Castle Reviews
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TripAdvisor Traveler Rating 4.5
90 reviews
TripAdvisor
  • 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 »
  • We decided to walk up to the castle ruins and were rewarded with some great views of the Island. The castle ruins themselves are not large or really impressive, but they are on a great vantage point.....  more »
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