A car is recommended because public transportation is extremely limited once you arrive on the island. However, much of the shopping and dining is located in a small radius close to hotels, so it is possible to take taxis from the business area out to the recreational spots.
Jamestown and Newport Ferry
Ferry Wharf, Phone: +1 401 423-9900 (http://www.conanicutmarin...) 45 passenger Jamestown-Newport Ferry is not only a great way to visit Newport without the usual parking problems. It's also an inexpensive way to spend the day exploring the bay with an all day ticket. You can get on and off in Jamestown Village, Rose Island Lighthouse, historic Fort Adams, the Museum of Yachting, Bowen's Wharf, and Goat Island. It's rarely crowded and there's a bar on board. Check the website for seasonal schedules and ticket prices.Rhode Island Public Transit Authority (RIPTA)
(http://www.ripta.com) has buses that travel around the state. Bus fare is $1.75, $.85 for seniors with identification, and free for children under five. It also costs $.50 to switch bus lines.