By air is certainly the easiest way to get to Koh Samui. By Train or Bus Land options include a train or bus to Surat Thani, followed by an express ferry, car ferry, hydrofoil, or night ferry to the island.
Visitors can purchase an all-inclusive package that covers all transfers and boat connections.
The overnight bus, plus ferry ride, will land you on the beach around noon, but the journey can be very exhausting. By Boat Several different types of boat go from Surat Thani to Ko Samui.