Koh Samui is undoubtedly a destination that is meant to be explored, with dramatic waterfalls, picture-postcard beaches, mountainous forests and sprawling national parks calling the tropical island home. If your Koh Samui getaway involves a great deal of exploring, then rental cars are the transportation option of choice, for their convenience and flexibility combined with the sense of affordability is virtually uncontested. While rental cars may not seem the most affordable option for the average traveler, they are undeniably ideal for avid explorers who plan to cover a significant number of miles, especially in areas that are off the beaten path.