From Bangkok, take the King Rama 2 highway, then the No.25 highway. Follow signage forSamut Sakorn and Samut Somgkram, take the No.4 highway in the direction of Petchaburi, then follow Hua Hin, PrachuaKiri Kan, Chumphon, then follow signs for Lompraya catamaran speed boat and Sai Ri Beach. From Surrathani airport, take the No.41 highway in the direction of Bangkok to Chumphon, On arriving in Chumphon, follow route No.4001 then follow No.4119 and finally route No.4089 towards Sai Ri Beach.