The studio in Kamari is steps away from the beach, which make for beautiful views from your balcony where you can sit and relax enjoying the sea breeze. The place itself was sparkling clean with a huge bed and a smaller bed, as well as a foldout couch for additional guests. Amenities were good, except no soap provided.
The closest bus stop to take you to Thira (which connects to all other island sites) is about a 10-15 minute walk. The beach itself outside the studio is not the nicest for swimming, so Perissa is the closest (across the mountain to your right) that has crystal clear waters and calm shoreline.
There are markets literally nextdoor so you don't need to walk far for essentials, and restaurants and shopping is minutes away on foot. I highly recommend going to ancient Thira and walking down the mountain if you can to Perissa's black beach.
Tip: all of the must-see things are at least 2 bus trips away. First to Thira (roughly 12 min) and then another 10-15 to each site. Buses cost 1,80-2,40€ depending on destination.
Overall, our stay was nice and I'd book it again.