Residents in Po Toi returned to the island on weekend only. According to residents, there are less than 10 people live in Po Toi within weekdays. 

There are no pollution in Po Toi as there is no electricity and water supply in the island. Residents live in an eco-friendly way that their toilets are built without flushing function. Clean and quite beach create comfortable atmosphere for urban citizens. Water is clean and clear that we can see little fish swimming.