The room was very spacious with a kitchen including little oven, stove top, and refrigerator. Daily service left the room very clean. The site is a bit away from the waterfront if that is important to you, but the 3 minute walk down a small road lined by restaurants was pleasant and I was therefore very happy with the location. Pollonia is a bit out of the way to explore the island, but I think the most picturesque and quintessentially "greek island beach town" on the Island.
Milos is a wonderful island with much to see and explore, and associated "Travel Me to Milos" at the waterfront in Pollonia was very helpful. They run Studios Elena, there is no staff on site at Studios Elena - they also run "En Milos" hotel nearby in Pollonia. They spent well over an hour with us discussing many things, took care of our transport to and from the port, booked our tickets away from the island and our excursion tour on the island. They were also very willing to go over all the restaurants, sites to see, etc.
Overall, if you are looking to stay within a budget this is absolutely a great option. Having traveled around the islands many years, this is what I would call wonderful inexpensive accommodation in a lovely beach town.