We were 7 climbers staying one week at Vlasios house (villa + studio) and everything was perfect.
First of all Vlasios was very helpful before our stay and always answered our questions the day I emailed them, then his parents took charge when we arrived on Kos and Kalymnos. They were extra welcoming, coming to the harbor to get us, leaving us delicious homemade marmalade and providing extra blankets, and arrangements for our departure...
The house itself is great. The terrace is huge with comfy chairs and we spent most of our time there. The view on Telendos is perfect, there are no other houses below.
Everything was really clean, the two bathrooms are practical (shower stall, not curtains) and there were two towels for each of us! The mattresses are good, the two double beds are big (one of them is in a big room, the other lacks privacy if someone wants to use the living room), there was a lot of place to put all our clothes and climbing gear. Doors, some windows, and even some beds are equipped with mosquitoes nets which is a real plus on Kalymnos.
The location is great too: very close to Masouri but less touristic, above the harbor, with two taverns (go to Anna's!), not far from a small supermarket and water machine (Kalymnos tap water is not to drink, these machines provide free drinkable water).
We will probably be back at Kalymnos, and when we do, we will be back there if we can, because it was part of what made our stay so good :)
Thank you Vlasios, and send our appreciation to your parents !