Man of Tai Chi - Keanu Reeves (2013) - Ngam Tau Sha, Sai Kung

Reeves' mansion in the film, a place where Karen Mok spends an inordinate amount of time spying on him, was supposedly on some nondescript part of the Hong Kong coast. The actual scenes of the estate look to have been filmed elsewhere but the external shots were all done over in Sai Kung by Little Palm Beach, on a small promontory called Ngam Tau Sha. I believe older readers who were in Hong Kong before the handover may recall it was also informally called "Target Island" for a while because the airforce and navy would use it for target practice. Large wooden bulls-eye targets were erected on the flat part of the land and then subsequently bombed and strafed with gun fire. In reality, it now houses a couple of private residences and a sailing club.