A "secret" tunnel at the bottom of the garden originally gave access to Killiney beach but now is sealed off.

[1] According to blueprints submitted in 1988, the owners sought permission to convert the existing stable house into attached living quarters.

The interior was gutted by fire in 1928, then restored by Sir Thomas Power of the whiskey distillery family.

[7] Irish musician Enya bought the castle in 1997 for €3.8 million, reportedly outbidding Michael Flatley, who also viewed the house.

Based on her interest in Daphne du Maurier's Rebecca, Enya renamed the castle "Manderley" for the fictional house that plays a central role in the 1938 novel.