The reopening scheme would be scrapped if there are more than 90 infections reported per week in tourism areas. He said vaccinated foreign visitors are allowed to travel to Phuket without state quarantine requirements. However, they are required to stay in Phuket for 14 days before travelling to other provinces in Thailand. If they stay in Phuket for fewer than 14 days, they are required to fly back via a direct flight. Those who travel to Koh Samui, Koh Phangan and Koh Tao are required to travel only via a "sealed" route scheme.
Source: Bangkok Post June 22, 2021 23:26 UTC