St Mary's

The church sits on high ground overlooking Antrim town, commanding views across the lough landscape that justify the short climb up. St Mary's is a proper medieval structure - the sort of place where you can actually feel the weight of centuries rather than just read about them on a plaque. The interior has that cool, quiet atmosphere churches do so well, with enough architectural detail to keep you occupied for twenty minutes or so, though it's not the kind of spot where you'd linger for hours unless you're genuinely into ecclesiastical stonework.

History types will find it worthwhile. The building itself tells a straightforward story of Irish church architecture across different periods, and the graveyard offers a bit of wandering if you're into that sort of thing. Families with restless kids might find it a quick tick-box rather than a proper draw - there's not much interactive about it, and the approach involves some uneven ground. Allow perhaps thirty minutes total, longer if you're the reflective type.

What makes it work as part of a park holiday is the location. You're within reasonable distance of Lough Beg Glamping and Sunset Glamping, both properly rated, so you could combine a morning visit with a longer walk around the town or a drive toward Sett on The Lough if the weather's decent. It's the kind of detour that makes sense when you're already in Mid and East Antrim rather than something you'd plan a trip around. Free to visit, as these things usually are.