Brian was very responsive and we had a great stay at the Koi house. We had to check in later than initially planned, and Brian was very flexible and the check in was very smooth. The space was very cute and looked exactly like the photos. I've read other comments that there's not enough space at the airbnb, which I didn't think was the case. We had plenty of room to store all our suitcase and backpack, etc. They also had beach chairs and snorkeling gear available at the airbnb, which made it very convenient for us.
The only thing is that the place can be a bit warm even at night. There's a fan and some sort of AC, but it didn't really bring the temperature down as much at night. We were fine during the stay, so if the heat doesn't bother you as much, it should be fine.