The floor inside has collapsed, but you can shimmy around on the ruin of an interior wall to get to a spiral staircase, which brings you up to the gun platform up top. No gun left, unfortunately :p. There is a murder hole* though.
A large part of it is dedicated to old tech donated by locals over the years. Highly recommended if you’re in the area.
Neither of them (currently) outwardly resembles the, apparently common, cylindrical/cone look of most of the ones pictured in the wiki.
The West Tower garden is beautiful. The East Tower is a museum and my primary memory of it is that it houses this creepy doll that we learned about during a Ghost tour and had to go see for ourselves: https://www.atlasobscura.com/places/robert-doll
I had an opportunity to see TWO of these towers! In Halifax and Mauritius (in the Indian ocean).
It really drove home the old quip about the sun never setting on the British empire. Especially having arrived by sea.
https://commons.wikimedia.org/wiki/Category:Martello_Tower,_...
https://12ft.io/proxy?q=https://www.irishtimes.com/life-and-...