Call the hotel and request a villa. We went as Diamonds on a reward stay and was given a Sugar Mill room. I called and got upgraded to a villa. It was our honeymoon, so I don't know if that was the difference.
I also highly recommend the helicopter transport. The website is,
http://www.stluciahelicopters.com/
Cathy Antoine is the St. Lucia Helicopters contact at the Jalousie Hilton. You can reach her through the hotel as well.
Have a great time. Tell Gus I said hello.