‘Kei Ling Ha’ is an area on the Sai Kung Peninsula, it is also known as ‘three fathoms cove’. ‘Kei Ling’ refers to ‘Ma On Shan’, ‘Ha Hoi’ conceptually means ‘the sea at the bottom of …’ in Chinese, ‘Kei Ling Ha Hoi’ means ‘the sea at the bottom of Ma On Shan’ as a whole. Wu Chau nearby is a tombolo to Kei Ling.