4-day itinerary in Santorini, Greece focusing on Top attractions and Shopping

Day 2 starts at Akrotiri at 9 AM - allow 2 hours for exploring the ancient ruins. Travel 15 minutes by taxi (~€20) to Santorini Wine Museum at 11:30 AM for a 1.5-hour tasting experience. Afterward, head to Pyrgos Kallistis, a 10-minute taxi ride (~€15), arriving at 1:30 PM. Enjoy 2 hours strolling the charming village and panoramic views.

Day 3 begins at Fira at 9 AM - allow 3 hours to explore shops and views. Travel via a 15-minute bus ride (~€2) to Όρμος Αμμούδι by 12:30 PM - enjoy lunch for 2 hours with scenic harbor views. At 3 PM, take a 30-minute boat taxi (~€10) to Oia Market for last-minute shopping, allowing 1.5 hours before the day ends.

Day 4 begins at Nea Kameni at 9 AM - allow 3 hours for the volcanic tour. Take a 25-minute boat trip to reach Santo Wines by 12:30 PM - enjoy the stunning views and wine tasting for 2 hours. Finally, head to Megalochori at 3 PM - a 10-minute taxi ride (~€15) for 2 hours of exploration in this charming village.