My family (husband and 6 yo daughter) and friends (couple w/o kids) spent a week in this very comfortable home. It was a fabulous vacation with active and restful times. You can have this place as both launching pad and retreat.
The space was great both inside and out, with lots of amenities. The house was well-stocked with everything for day outings (snorkeling equipment, beach chairs & umbrellas, coolers, etc) and had lots of supplies like spices, condiments, shampoo, and sunscreen presumably left from other guests. We added to the stock since we purchased all at the grocery store before arriving...save yourself and check out what is there before you buy more.
The only drawbacks we encountered--that had nothing to do with the house--were the location and weather on that side of the island. We did not know that the "wet side of the island" means WET. There was more than the quick daily shower that we'd encountered on other tropical vacations. We definitely had some nice, sunny times and the pool/hot tub/cliffs are a great place to enjoy that. But there was a lot of rain while we were there. To get to the classic sandy beaches involved quite a drive in most any direction. However, the location is convenient for some areas like visiting the volcano. Just set your expectations for some rain and you should have a great time as well.
I also want to note how great the property manager and owner were with a minor repair that was needed on the day of our arrival. It turned out not to be necessary, but they were prepared to put us up in the nicest hotel in Hilo or another rental house on the same street. We ended up getting into the house just a few hours later than planned and everything was absolutely taken care of.
Overall, I would highly recommend this house if you are headed to the Hilo area!