You are allowed to drive your own car on Ameland. But the village centres of Hollum and Nes have been made low-traffic.
If you wish to come to Ameland with your own car, you need to make a reservation for the crossing by ferry in time. You can do this online at Wagenborg Passagiersdiensten, or by phone: 0900 - 9238. If you call from outside the Netherlands you can reach Wagenborg Passagiersdiensten on: 0031-88 103 1000.
Do you want to know more about the ferry prices and departure times? Have a look here.