A subsequent search uncovered eight more bags of ya ice in his home.
The same police task force later also arrested Pichaet Marom, 28, when he returned to the same apartment, which he shared with Mr Keerati.
Both men confessed to possession of ya ice, and were sent to Chalong Police Station for further questioning.
The arrests are part of a crackdown on the use and sale of drugs ordered by Governor Maitri Inthusut.