From Samui Airport:

Airport transfer is available from the airport. A uniformed-driver will meet guests at the airport terminal to escort guests to the resort. The executive limousine is THB 1,450 per car, each way (maximum 3 persons) and the private minibus is THB 1,780 per mini minibus each way (maximum 6 persons).

From Suratthani:

Airport transfer service is available from Suratthani on the mainland to Koh Samui. Thai Airways International flies daily to this airport. A uniformed-driver will meet guests outside the Suratthani Airport terminal. Transfer by private hotel car (Max 3 persons.) is available at THB 3,800 Net per car per way by minibus (Max 9 person.) at to THB 4,800 Net per minibus per way.

Shuttle Bus Service:

A shuttle bus service to Nathon and Chaweng Beach is available four times daily. Free of charge to Nathon and Baht 200 per person each way to Chaweng.