The waters off Koh Khai Nok, Koh Khai Nui and Koh Khai Nai are renowned for their colourful coral displays and are popular with day-trippers from nearby Phuket, but the Department of Marine and Coastal Resources (DMCR) claims that up to 80 per cent of reefs there have been degraded and has decided to ban tourists from visiting them.

Thailand bans tourists from three more islands

good job, Thailand!