ATV tours on Koh Samui cost roughly ฿1,500 to ฿4,800 per rider depending on how long you ride. A 1 hour ride starts around ฿1,500 to ฿1,800, a 2 hour jungle and waterfall tour is about ฿2,200 to ฿2,800, and 3 to 4 hour tours with lunch run ฿3,500 to ฿4,800.
Prices are per rider and usually include hotel transfer, a helmet, a guide, water and basic insurance. Adding a passenger on a double quad costs more than a single rider. Compare every operator's prices on our comparison page.