Raja Ferry is a well-known transportation company in Thailand, and you’ll find their collection/meeting point close to Bang Lumpu Clinic in Khaosan Road. This is where you will catch the bus to some of the most famous destinations in the country, like Koh Tao, Koh Phangan, and Koh Samui.
Address : 189 Chakrapong Road., Chana Songkhram, Phra Nakhon, BKK 10200 (Close to Bang Lumpu Clinic)