The most common method of getting around Cape Cod is via rental car.  Information about obtaining rental cars is available at .  Drivers are reminded that it is always recommended that travelers obtain rental car insurance when renting a vehicle.  That said, it is relatively safe to drive in the Cape Cod area and travelers need to use common sense but do not need to be overly cautious.  The Cape does have public bus service.  Here is a link about the Flex which travels from Harwich to Provincetown.  This bus will make set stops, has certain areas where you can just flag it down and also will go up to 3/4 of a mile off of its route if you call in advance and pick you up.