A team of officers from the Natural and Wildlife Education Centre on Tuesday headed out to Koh Payu, where monkeys were released into their new home over two months ago.
The visit was to check on their welfare and give them some fruit treats.
On June 21, 80 monkeys, which had already been sterilised, were released onto Koh Payu, off the coast of Phuket. The island covers 26 rai (4.2 hectares) of land.
Pongchart Chouehorm, director of the Natural and Wildlife Education Centre, and his team took the short trip out to Koh Payu.
They took some fresh fruit to feed the monkeys that were settling into their new home. Water in a tank was checked to make sure that there is enough for the monkeys.
Officers, who patrolled along the beaches, said about 35 monkeys were seen on the beach around the island.
They fed them some fresh fruit and left more supplies for the other monkeys.