f you are part of a group you will not be able to sample the parts of the island that are outside the official tourist map. Some of these areas can only be accessed by jeeps and sports utility vehicles (SUV). If you are looking for a true island experience then you ought to avoid the guided tours and hire a car. Island car rental services are plenty. Most islands derive a big portion of their income from tourist revenues and car rental businesses benefit from this activity. If you are interested, you can read more articles about island car rental here. This site has some good advices.