ThailandPhuket is Thailand's largest island, approximately the size of Singapore. Phuket nestles in balmy Andaman Sea waters on Thailand's west coastline 862 kilometers south of Bangkok. The most famous beaches are Patong, Kata, Karon, Kamala, Cape Panwa and Nai Harn. Phi Phi Islands are charming, small, twin islands located in the Andaman Sea, south of Thailand. Easy access from Phuket or Krabi by daily express boats all through the year, but best in the off-monsoon months October-April.