Here is a possible itinerary for a 7/8 hour tour of the Amalfi Coast, including stops in Positano, Ravello, and Amalfi (or the Emerald Grotto):

1. Depart from Sorrento or Naples in the morning, depending on the customers’ needs.
2. Stop in Positano for a visit to this picturesque cliffside town. Explore the narrow streets lined with colourful houses, boutique shops, and art galleries and take a walk along the beach.
3. Continue to Ravello, a small town perched high on a hill with breathtaking coast views. Visit the Ravello Cathedral and the Villa Rufolo, a beautiful 13th-century villa with gardens.
4. For the tour's final stop, customers can visit Amalfi or the Emerald Grotto.
   • Amalfi: Visit the town of Amalfi, famous for its beautiful cathedral and lively piazza. Take a stroll along the harbour and enjoy a refreshing lemon granita.
   • Emerald Grotto: Take a boat tour of the Emerald Grotto, a stunning underground cave with a natural pool of crystal-clear water.
5. Return to Sorrento or Naples in the late afternoon.
   This itinerary allows for plenty of time to explore the beautiful towns of the Amalfi Coast and take in the stunning views of the Mediterranean Sea.
   Note: This itinerary is just a suggestion and can be modified to fit the customers’ preferences and interests.