Treasure Island is the one of the locations for the CCTV documentary "Treasure Hunting in Namoa Island". It is about 7 nautical miles away from Ganquan Island. The island faces the ocean on three sides. The outer areas are high, and the middle is low. A lagoon is located in the middle of the island. The island is home to several wells made from stacked, large natural granite. There are many trees and types of birds on the island. The natural environment is excellent.