In 1952 the subdistrict Ko Mak was

In 1952 the subdistrict Ko Mak was established covering the whole island, at that time subdivided into 4 villages (muban).[1] In 1980 three villages of Ko Mak were split off to create the subdistrict Ko Kut.[2] On April 1, 1990 the government upgraded tambon Ko Kut together with tambon Ko Mak to a minor district (King Amphoe).[3]
Following a decision of the Thai government on May 15, 2007, all of the 81 minor districts were to be upgraded to full districts.[4] With the publishing in the Royal Gazette on August 24 the upgrade became official.[5]
As local government entities the two Tambon administrative organizations (TAO) were created in 2003 and 2004 respectively. The Tambon Council Ko Kut was upgraded to a TAO in 2003,[6] and for Ko Mak in 2004.[7]