Adventurous? Go on, then, and hire a car!
Nearby places worth visiting are Longas beach and sunset observatory, Canal D’amour in Sidari, Afionas village (if you don’t fancy walking there), Angelokastro and Paleokastritsa. Many villages, where you can stop and enjoy a greek coffe or even a meal in a non touristical local taverna.
If you feel like driving further away and explore Corfu island a bit more, here are some of the main sights:
Corfu town with it’s museums and monuments, or just for a shopping trip, Achillion Palace, West- and East cost beaches and resorts, Lake Korrision in the South
For more details please visit corfuvisit