You'll most likely want to have a car to get around Petoskey. Taxi service in the Petoskey area is limited. A few of the hotels have shuttles but unless you're already driving you'll want to have a rental car. Traffic is generally pretty light but can be significantly busier in the summer. When downtown, you can walk to just about everywhere. Having transportation will give you the ability to visit other places near by like Harbor Springs, Charlevoix, etc. all of which are within about 20 miles of Petoskey.