Me and my girlfriend spent a couple of days in Casa Buena Vista from which there are some nice views to be seen from the property as the pictures depict. In the area are a handful of very nice restaurants and there is a relatively small grocery store a couple of minutes walk uphill. The beach is also relatively close, approximately 10-15 minutes downhill. You need to be in an ok shape to do all the hill walking and drink loads of water during the day, but that is only normal due to the Costa Rican climate.
The average guest that visit Casa Buena Vista are most probably of the quiet type, as we seen several couples coming in and out of the property but never really heard any noise. We had an own room with bathroom but spent one night relaxing on the downstairs veranda, which is pretty big I'd say. There we prepared some food in the kitchen, listened to the night wildlife which was also rather silent.
We needed to leave very early to get to San Jose on time, however... more