Rosalba's has a nice little place with everything you need. We stayed for a week. We especially appreciated the Big Island guide book, which we made good use of, and some Kona coffee. The kitchen has what you need to cook at home (and given the prices of everything on Hawaii, it makes a lot of sense to do this some nights). She also provides some beach gear including new masks and snorkels, but we had our own anyway. She was communicative when there were a few very minor issues. Initially we found the bed quite soft, but we realized there was a foam pad on top of the mattress that we could remove to turn it back into a normal bed. I would come again if we were on the Big Island.