It is in the third tier of the Thai football league system.
Surat Thani were relegated from the 2009 Thai Division 1 League after finishing the season in 14th place.
Trang, Ranong, Phang Nga, Chumphon and Hat Yai joined the newly expanded league setup.
Prachuap Khiri Khan pulled out citing insufficient budget and concerns about safety before the season commenced.
They had just been relocated from the Regional League Central-East Division.