Santorini has to offer so many more things to do than just a sunset in Oia or a swim at the black beach. There are so many things to do in Santorini that make it by far the most interesting and diverse Greek island. Santorini castles are not that famous but they are full of history and interesting things to read.
As the island has gone through some tough times in the past (Roman period, Venetian occupation, etc), its landscape is full of some amazingly hidden castles and fortresses that you can visit pretty much for free.Keep reading….
1. Kasteli (Castle) of Pyrgos

History: you can read a little bit of the castle’s history here

How to get there: just go to Pyrgos Village and then head to the location shown on the map below
2. Skaros Rock: The Fortress

Why you should visit it:This is the most important castle of Santorini, built to protect the island from pirates in the 1200s. It is in a unique location close to Imerovigli offering some amazing views of the volcano. It is also a great opportunity for hiking and trekking.
History: Skaros Rock was a small medieval city. You can read a little bit of the castle’s history here.

How to get there: just go to Imerovigli and then head to the location shown in the map below
3. Castle of Agios Nikolaos: Oia

Why you should visit it: ok…we know you are going to visit Oia to watch the sunset but this had to be on the list! It is the ultimate tourist attraction not only of Santorini but perhaps…of Greece.
So, get prepared or arrive there at least 1 hour before the sunset to get a nice spot. There are no words to describe this experience and as much as we hate the “touristy” and packed locations…we have to admit there is usually a good reason why they became top spots.

History: Oia Castle has existed since the 1400s. You can read a little bit of the castle’s history here
How to get there: it’s extremely difficult to miss it…just go to Oia and then head to the location shown on the map below. Or just follow the tourists’ queues…4. Kasteli (Castle) of Akrotiri: La Ponta

History: Akrotiri Castle has existed since the 1200s. You can read a little bit of the castle’s history here
How to get there: go to Akrotiri village and just follow this Google Maps link for directions.
Santorini is a fantastic island that has much more to offer than just some sunsets in Oia, some picturesque pathways at Fira, or some unique beaches to swim.The island is full of history, traditions, music, food, and amazing local people who make this place one of the most unique and fascinating destinations in the world.
FAQs
What are the five Venetian kastelia (castles) on Santorini?
What is Akrotiri Castle (La Ponta/Goulas) and why was it built?
It was a Venetian-era fortress settlement built for defense and refuge, later damaged by earthquakes, and today you can still walk the lanes and see the central tower and walls.
Do you need tickets to visit Santorini’s castles and fortresses?
Most castle sites are open ruins rather than paid museums, so you generally won’t buy a ticket—but there’s also no signage or facilities, so plan water and shade.
Which Santorini castle has the best sunset view?
Oia Castle is the classic sunset spot (and it gets very crowded), while Skaros near Imerovigli is a quieter alternative if you hike down to the plateau.
How long does it take to hike to Skaros Rock (the Skaros castle site)?
Plan 30–60 minutes round-trip: you descend steep stairs and climb back up with almost no shade, so wear good shoes and avoid the midday heat.




