The emperor Island, also known as Lacha Island, is composed of Racha Yai and Racha noi. Located in the south of Phuket Island, 12 kilometers away, the climate is the same as that of Phuket Island. The annual water temperature is suitable, belonging to the tropical monsoon climate. The sea water temperature range is 28-30 ° C / 82.4-85 ° f all year round. , air temperature range is 30-35 ° C / 85-95 ° F. Let you embrace the sea all year round.