Glass Houses by Madeline Ashby

A group of employees and their CEO, celebrating the sale of their remarkable emotion-mapping-AI-alogorithm, crash onto a not-quite-deserted tropical island. Luckily, those who survived have found a beautiful, fully stocked private palace, with all the latest technological updates (though one without connection to the outside world). The house, however, has more secrets than anyone might have guessed, and a much darker reason for having been built and left behind.