Do as the Jamestowners do....grab a panini at the Village Hearth Bakery.
Then head to Beavertail State Park for a hike around the rocks, and seaweed, the tidal pools, and the lighthouse that's perched on the tip of Conanicut Island.
After you're sufficiently pummeled by the surf and have navigated around the craggy rocks and slippery mounds of seaweed, the only thing you can do next is go for a quick ice cream at the Spinnaker's Cafe - found right in the marina.
And then finally, it's a nice circuitous drive around the winding old lanes.....back home.
More about Jamestown *here*.