Who comes from China, Germany, Singapore, the UK and USA, will have to provide the certificate, that he is fully vaccinated, will have to make a test within 72 hours before the flight and make a test after arriving in Thailand and have to stay in a so called SHA plus hotel until the the negative test result arrives. Afther that he will be able to travel around in Thailand, but has to follow the provincial guidelines for entry, which are published by the domestic airlines. Read the speach of Prayut Chan-ochas here.
Who comes from other countries, has still to go for 7 night to a quarantine hotel or can avoid this by flying directly to Phuket or Koh Samui and take part in the Sandbox model. This means: Fully vaccinated, test before flying, test after arrival, stay one night in hotel until the test result arrives, then can move freely in Phuket or Koh Samui area. Read:
How to use Phuket Sandbox: Now 7 Days on Phuket or in Phang Nga, Krabi or on Ko Samui, Ko Phangan and Ko Tao
Samui Plus (สมุยพลัส): The Rules for International and Domestic Travellers visiting Ko Samui, Ko Phangan and Ko Tao - Changed on 1st October
