How can I extend my 60-day visa for an additional 30 days in Koh Samui?

To extend your 60-day visa by an additional 30 days while in Koh Samui, you need to visit the local immigration office as there are no Thai embassies within Thailand. The process is straightforward: bring 1,900 baht for the extension fee along with 200 baht for required passport photographs and photocopies. Overall, it is a simple and efficient process.