Ko Lanta is easy and inexpensive to reach from Phuket, Bangkok or Malaysia . The island is serviced by passenger ferries from both Krabi & Phi Phi and car ferries from the mainland.
Krabi is the most convenient gateway to Ko Lanta if coming from Bangkok, and if arriving from Phuket passage is via either Phi Phi or Krabi. Trang also serves as a regional transit point for those coming in from the south. Please bear in mind that if your arrival time is late in the day, the local minibus or public passenger ferries scheduled for Ko Lanta may not always be available.