The Top 5 Castles on the Isles of Scilly
A visit to a castle — whether you stumble over one during a hike outdoors or walk your way around the grounds with a guide — is always something special, and you’ve got 5
beautiful castles to choose from on the Isles of Scilly. Just browse our list to find your top castle , and add some history to your next adventure!
beautiful castles to choose from on the Isles of Scilly. Just browse our list to find your top castle , and add some history to your next adventure!
Last updated: October 6, 2025
Old fort with a colorful history.
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Prehistoric ritual site from the Iron or Bronze Age.
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The newer of the two major fortifications was built in 1651 by Parliamentary troops after taking the island from the Royalists. With his well-fortified cannons on the top of the …
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Harry's Walls are the ruins of a former fortress built in the mid-16th century. The complex is free to visit.
english-heritage.org.uk/visit/places/harrys-walls
english-heritage.org.uk/visit/places/harrys-walls
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Small Civil War-era fort blown up by the Royalists before the storming. Fantastic views over New Grimsby Sound.
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