Islands and the underwater world 1. Bangkok – Chumphon (5 h by bus) 2. Chumphon – Kao Lak (3,5 h by bus) 3. Kao Lak – Koh Lanta (3 h by bus + ferry) 4. Koh Lanta – Koh Ngai (20 min by boat) 5. Koh Ngai – Koh Lipe (1.30 h by speed boat) …