The house is comfortable and well appointed, with two bedrooms and adjoining terraces. The bathrooms, as others have noted, are not very well designed, but we did not find this to be a problem - it may be if you are more than two. The kitchen is well equipped. The internet is a bit slow, but we did not come to Mani to watch the screen! We found it to be perfectly adequate for our needs.
The house is located between Ag. Nikolaus and the small town of Ag. Dimitrios. The former has plenty of nice restaurants and is a 20 minute walk from the house, if you don't want to use your car.
Note that the driveway, to park your car beside the house, is not well constructed on the left side, so you will want to enter and leave staying as far right as possible.
The house can get quite hot and does not much benefit from the breeze nearer the sea or higher on the mountain. But the air conditioning works very well, so you can cool it down as you wish.
Overall, it's a fine place to stay in an exceptionally beautiful and interesting region of Greece.