Exploring Oia in 2026 is best done on foot and very early in the morning. The village is famous for its narrow, winding marble pathways and steep stairs that can become extremely crowded by mid-morning. To truly enjoy the "Blue Domes" and the "Castle of Agios Nikolaos," aim to start your walk at sunrise (around 6:00 AM) to capture photos before the cruise ship crowds arrive. For a unique perspective, walk the 200+ steps down to Ammoudi Bay for a fresh seafood lunch by the water. While many tourists flock to the castle for the "world-famous sunset," savvy 2026 travelers often book a table at a sunset-view restaurant or take a catamaran sunset cruise to watch the sky turn red from the water, avoiding the shoulder-to-shoulder crowds on the cliffs. Comfortable, non-slip shoes are a non-negotiable requirement for the slick marble streets.