Krabi to Surat Thani transfers for Koh Samui and Koh Phangan travelers combine bus or shared van rides (3-4.5 hours) with ferry services (1.5-3 hours). Direct combined tickets offer smooth connections and convenience. Popular operators include Lomprayah, Phantip, and Raja Ferry. This method balances cost, comfort, and travel time, making it the preferred choice for travelers heading to the islands.