Bonamargy Friary

The ruins sit on a gentle slope above Ballycastle, their weathered stone walls rising from manicured grass like someone's forgotten sketch. Bonamargy Friary dates from the 16th century - a Franciscan foundation that once mattered more than it looks now. What you get is atmospheric rather than dramatic: broken arches, crumbling walls, a sense of how things were left to the elements. The burial vaults are the real draw, particularly those belonging to the MacDonnell family who ruled these parts. It's quiet, which is the whole point.

You'll need perhaps forty minutes here, maybe an hour if you linger and read the information boards. Walkers and history types get the most from it - kids might find it underwhelming unless they're the sort who enjoy scrambling about ruins and imagining medieval life. The site feels genuinely remote despite being just outside town, with decent views down towards the water.

It's free to wander, no gates, no faffing about. Early morning or late afternoon light works best if you're bringing a camera. Visit before or after exploring Ballycastle itself - the town's only a short walk away. If you're staying at Watertop Farm or North Coast 9 Glamping, both within easy reach, this makes a solid addition to a coastal day without stealing more than an hour from your schedule. The Causeway Coast has grander attractions, admittedly, but this friary rewards anyone willing to spend time with something quieter.