When I go to the website I can see contact information and thought that the official website may be interest to folks. I assume most people are savvy enough to look for contact info on the page and ... contact them directly.

Blue Cave Castle
Lighthouse Road
Jamaica, West Indies
Phone : (876) 957-4845
E-Mail: info@bluecavecastle.com

I am here now in Negril and walked by several times. Interesting architecture. YouTube videos are fun to watch.