We had a great time staying at Sean and Zorro's place. The stars at night were amazing. We were lucky to stay during great weather. We really enjoyed our stay. The locals were really friendly. One took us out on a private tour to see the lava. My husband could have lived at their place forever.
Some things to note. There is a big crack in the lave between the main house and the sleeping quarters. Sean has installed motion sensor lights and walkway lamps so you can see where you are stepping at night. Also, the bathroom is on the outside of the main house. You have to go down 3-4 steep stairs without a handrail to get to the toilet. Once again Sean installed a motion sensor light. Just watch your step and this would not be a good place for young children or someone who is not steady on their feet.
For us, this place was probably one of the best places we have stayed at on air bnb. Next time we come to the Big Island (and Sean has room) we will be staying here again.