We just returned from a week at the casita, and had to share the experience - what a gem! The owners were very accommodating while being mindful of our privacy - making sure we got in OK, making sure we knew about the island's sometimes idiosyncratic grocery store hours. Though the casita shares a hilltop with the owner's home, it still felt very secluded and private.
As for the house, it's perfect for a couple looking for a romantic getaway - the leeward side of the house features large screen doors facing the west, and being high up provided great air movement for comfortable sleeping. The house itself is simple but perfect for a quiet getaway. We watched the sun rise on one porch and set from another. The kitchen has a small oven but we stuck to grilling and cooking things on the range. One small note: the bathroom lacks any sort of door, so keep that in mind if you're traveling with a new partner.
This is a great rental if you're looking for a private spot on a...