Overall, nice place and I would be happy to stay again. The other reviews do a good job of describing the good points of this rental, so I won't repeat them. Except I have to say that I really like quiet places that are away from urban light and noise pollution. Great for looking at the stars! The property is secluded, surrounded by trees, and you can't really see other residences, although there are some not far off. It is really nice and airy inside with plenty of windows and natural light. No AC, but you don't need it. I didn't even use the ceiling fan.
A few points that may help you make up your mind.
The rental is on a gravel road. It is not that far to drive (less than 10 min. to Kama'oa and not all on gravel), though it might seem longer the first time you try it. Follow the host's directions and it will not be hard to find. Most cars should not have trouble with the road.
The mattress is firm.
I felt safe staying here, which is more than I can say about other places in Discovery Harbor. Your house and car will not be visible from the street. The host family were welcoming. I would recommend it to solo women travelers.