Board Game Store
On STX, Trivia is big. Two very well attended games per week at local restaurants.
I [selfishly] love the idea, and would certainly be a patron. At one point I had a collection of 30-40 wargames. I actually developed my own over the last 20 years (working on it on and off), a global-scale WW2 game that uses a chess timer to keep the game under 5 hours, and has no luck (no dice or cards, so chess-like). I would be glad to make a copy and donate it.
Glad to hear finances are not relative in your case, and you're really doing it for non-business reasons. Think of how many people would come to your store if it was in a good-sized metro area like Philly or Atlanta, then reduce the number of people by 98% since STT has 1/50th the population of a mid-tier stateside metro area. That's the only think that might make it tough, is just the island's very small population.
Good luck! Like I said, I'd love it if you did it.