Castlerock Golf Club has both 9-hole and 18-hole links courses bounded by the beach, the River Bann and the Belfast to Derry railway line.

The Mussenden Temple, with its precarious perch on the basalt cliff edge is one of the most photographed scenes in Ireland.

The 17th century Hezlett House is a thatched cottage with a cruck structure and is situated at the crossroads near the village.

[5] Castlerock is classified as a village by the Northern Ireland Statistics and Research Agency (NISRA) (i.e. with population between 1,000 and 2,250 people).

Born in Belfast, he holidayed in Castlerock as a child and took inspiration from Downhill House for some of his books including The Lion, the Witch and the Wardrobe.