I'm interested to hear your take on this place Hank. It looks to be part of a chain.
Their
website says that they are using Demerara Distillers Limited to supply their house rums.
They also say that they are crushing cane to make their own "guarapo" syrup for sweetening Mojitos. I noticed a number of the Mojitos they listed are made with flavored vodka!
The type of mint they are using..."hierba buena"..(or "yerba buena" down here) is a small leaf variety widespread in Latin America.