Located 19 kilometers south of Phuket, the islands of Koh Racha Yai (also known as Raya Yai) and Koh Racha Noi (Raya Noi) offer visitors to Phuket an interesting day trip by boat. It's possible to organize an overnight stay, while the islands are also becoming increasingly popular destinations among divers.Plenty of optionsLongtail boats carrying a maximum of eight passengers can be chartered