Lake Maardu
 Lake Maardu (Estonian: Maardu järv; also known earlier as Lake Liivakandi) is a lake on the southern side of the town of Maardu in northern Estonia. It has an area of 160 ha (400 acres) max. depth is 3.7 metres (12 ft) and the lake is 33 metres (108 ft) above sea-level.Lake Maardu was a natural waterbody before 1894 when the landowner of Maardu Manor Otto von Brevern dug a ditch (Kroodi stream) to the sea and the lake run empty.