Best things to do while in Santorini Shore Excursion Tour If you want to explore Santorini; once inhabited by a severe volcanic eruption. You need to opt for Santorini Shore Excursion Tour. Santorini Shore Excursion is ideal for a single traveler or for a couple or even a small group. So, what are the best things to do while on Santorini Shore Excursion tour? 1. Hike from Fira to Oia If you go for this, the views are incredible – it’s free! The hike takes somewhere between 2 and 5 hours depending on your speed and how many pictures you capture along the way. The route isn’t completely marked but it’s fairly intuitive. Of course, it’s fine to do the walk in the opposite direction walking into Oia from the hills above is an awesome finish.