To Koh Mook (10 minutes, twice a day, mid-October to April), Koh Kradan (20 minutes, twice a day, mid-October to April), Koh Lanta (30 minutes, twice a day, mid-October to April), Koh Bulon (1 hour 20 minutes, every day, mid-October to April) and Koh Lipe (2 hours 20 minutes, every day, mid-October to April).