What is the cost of Koh Chang? A common question from tourists. But let us understand how many different programs are on Koh Chang? On the island there is no sense to go in less than two days. Comfortable time on the island for transient vacation is 3 days and 2 nights. During this time, you can catch a ride to explore the island on a rented motorbike, soak up the sun, swim in the beautiful lagoon and go to the waterfalls. Usually Premium program includes a walk on a boat on the three islands and all meals.