La Marianna
It's all about fish at this welcoming spot, and aside from vegetable side dishes and dessert there's little on the menu that wasn't recently swimming (or lurking) in the sea. Depending on what's in season you might find a starter like seppia in umido con fagioli (steamed octopus with beans), which provides a tasty introduction to more complicated delights. Pastas are made in-house, and the fish on offer is the catch of the day. The winning desserts include fresh fruit sorbets and poached pear al Sangiovese. If on foot you'll likely approach this trattoria via the Ponte di Tiberio, a bridge from the 1st century AD named after the ruling Roman emperor.