Ok, not bad overall, but not great either, at least when considering the price. The good; view and proximity to Waipio Valley. The bad; it is definitely a hostel (as advertised elsewhere) rather than a lodge (as advertised here). There are 3 rooms, so we figured a potential of 6 guest to share, but there is also camping, so we ended up having 7 guests to share (one is actually an employee of the institute that stays all summer and was very nice).
It turned out not to be a big issue while we were there only because the campers slept in, and two guest left very early. But in my opinion, 1 toilet/bath for 7 adults is inadequate. Also, our room was described as being the coolest of the three with a "window that allows in mountain breezes, but not direct sunlight". Literally speaking, true. Interpretation: Kalo room is an interior room (rooms on both walls, and door opens to common area) with a window that opens into the dirt crawl space of the main home above. Granted, the small crawl space has short openings sides several feet away from the window, but the room is distinctly musty, and dank (window was closed when we arrived, and opening it simply allow more musty, dirt smell in).
As I told Greg in a PM, I hate to give anything less than 5 stars, but I feel it is unfair to the other places I rate such, and this is the first place I haven't. For the price, it simply didn't measure up to the other much nicer Airbnb places we stayed at while on the big island. Had the room description been a bit more accurate and the price about $20 bucks cheaper, I'd say it rates exactly as advertised. I suppose the location (next to Waipio Valley) may account in the host's mind for the higher price, but everywhere we stayed was near some great attraction as well.
Greg was very nice and - as he describes in the listing and reminded us on our arrival - it is noisy from any upstairs activity (which there was plenty, both early and late) so bring a background noise maker which still doesn't drown out all the pitter patter of feet. The place was clean although I did have to kill one large cockroach in the common area, but this is Hawaii and that isn't unusual (although I didn't see any anywhere else in our 7 days). Again, I hate to say anything but glowing comments - and trust me, it is much easier and quicker to do so - but I want to be honest and fair even if it takes a bit more of my time. I appreciate all reviews I read, both good and not so good, so hopefully others will likewise.