If you want to get to Koh Samui a cheap way – take a regular bus that goes from Phuket Town.
There is a direct ferry; it takes about an hour and a half ferrysamui.com (Bus&Ferry packages 1000-1500THB PKT to Samui one way)
If you want more comfortable way, take a taxi from Phuket To Don Sak pier and spend 5 hours, the price can be 3500-4000THB ($120).
If you’re alone or have only one more person with you, it’s better to take a bus and then then you take a ferry. If there is a big company of you then think a car service and rent a car online. You can always divide the price (1 day = 1000 baht) between all the persons and it doesn’t seem so expensive.
Seatran Express Ferry comfortable and fastest at 2.5hrs (from Ban Don pier you can take a comfortable Seatran Express Ferry, the price is 150THB one way.
Take the speed Catamaran and it will take you 45minutes from Don Sak Pier to Koh Samui – 350THB per adult one way www.lomprayah.com Free transportation from Lomprayah pier to your hotel in Koh Samui is included.
You can feel a bit nervous about booking in advance, but don’t worry. We all hope that the 8pm-2pm Bus&Ferry will be made, and you won’t be tired of such a trip.