sentences:  The ruins on the island of Topoxte start about four meters above the current level of Lake Yaxha, indicating that the Postclassic water level was roughly the same as present, or perhaps slightly higher.The site was laid out in a manner very similar to the contemporary site of Tayasal on Lake Petén Itzá, now covered by the modern town of Flores, with buildings on the north, south and east side of the main plaza and the west side open to the lake and the sunset.The stone buildings of Topoxte were all built with limestone.