The beach in the northwest of the southern tip of Tianning Island is called Chulu Beach, the “Chulu Beach” of Star Sand Beach. "Star sand" is an extremely small grain of sand much smaller than the average sand is about the same as a dust, but the sand is long-horned and it looks like a small star is very beautiful. It is said that picking up the octagonal sand will get good luck. This romantic beach was the landing site of the US military attack on Saipan and transfer to Tianning Island during World War II, so it is also known as the landing beach.