I have good things to say about the host and the space, but let's start with the issues:
According to the host, the Jacuzzi is not heated during the off-season (probably due to the cost). This seems to be the OPPOSITE of what you would expect...who wants to be in a Jacuzzi in the heat of summer? I visited in mid-May and selected this place with the expectation that I would have a hot tub to warm up in at night or in the morning when it's cool. Obviously this was disappointing and if you are planning a similar off-season trip I would caution against it. To be fair to the host, the Jacuzzi was very clean and the jets worked well, it was simply too cold to use.
Other minor issues I had were that there was no info sheet including items such as the wifi password. The host was very helpful and communicative through the app and even gave us two travel maps of the island and pointed out lots of interesting sites and restaurants, but if you're like me and have a bad memory it would be better to have them in writing. On the topic of the wifi, it was basically non-functional. The houses in Santorini are often caves dug into the earth and the wifi signal wouldn't reach the bed. It constantly dropped devices and couldn't buffer a simple web page or Google search.
Lastly, the water in Santorini is technically potable but is not very pleasant tasting. Most tourists, and probably some locals, will prefer to drink bottled water or filter the tap water somehow. There was no water filter, but we were given a 2 liter bottle for our two night stay for two people. Hardly adequate. Our next host on the island (we split our accommodations between different parts of the island) gave us SIX 2 liter bottles for the same two night stay. Much more reasonable.
On to the positives:
The place was immaculate. We didn't even ask for housekeeping and they picked up, made the bed, and changed the towels twice daily.
If you don't want to be right in the heart of Thera, this is a good compromise. It's 30-40 minutes on foot and is a lot quieter, which I appreciated.
Despite facing the eastern slope of the island, the view was gorgeous. The western side of the island has a much nicer view including the caldera, but this place had a great view of the gentle slopes and vineyards down towards the eastern coastline.
The host was incredibly accommodating of our late check in and late checkout. We arrived after midnight on a late flight. No problem. We checked out an hour late. Also no problem. The host offered to arrange our transportation from the airport and to transfer to our next accommodation for us. Very convenient as taxis are scarce and there is no Uber or Lyft on Santorini. The host also helped us coordinate a car rental. All around very helpful host.
The breakfast included with the stay was incredible. Very fresh, delicious, and a very generous amount and variety of choices.
Overall I would say that it was definitely good but not perfect. You can probably find something of a similar quality but cheaper and without a Jacuzzi that you won't even be able to use.