Koh Tao

The island boasts 28 official dive sites around its granite outcrops, hosting over 200 species of coral and colorful schools of barracuda. Beyond diving, the island’s laid-back villages, like Mae Haad, offer street food for under 60 THB. With 600,000 annual visitors, it balances popularity with conservation initiatives, including a reef restoration project that has planted 10,000 coral fragments since 2023.