Satun

Satun is the Andaman's quiet southern corner — a Muslim-majority province bordering Malaysia with some of the best islands in Thailand that most travelers skip. Koh Lipe, the "Maldives of Thailand," has exploded from backpacker secret to beach-resort destination, with crystal-clear water, coral reefs starting at the shore, and a Walking Street that comes alive after dark. The Tarutao National Marine Park, encompassing Koh Tarutao and surrounding islands, is far wilder — a former penal colony with jungle trails, sea caves, and mangrove creeks.

On the mainland, Satun town is a pleasant Malay-Muslim city with excellent roti mataba at the morning market and a sleepy waterfront. The Satun Geopark, Thailand's first UNESCO Global Geopark, preserves 500-million-year-old fossil formations along the coast and on islands like Koh Petra. The Thale Ban National Park near the Malaysian border has a dark, atmospheric crater lake and pristine rainforest. Satun is also the alternative route into Malaysia via the Tammalang Pier-to-Langkawi ferry — a scenic crossing that beats the crowded overland options.