Duty-free prices for wine and liquor at this airport shop are discounted by up to 40%—among the best value in the region, although keep in mind airport regulations for liquids. If you have a connecting flight through, say, Barbados, you'll have to (carefully!) pack the bottle(s) in your checked luggage for your next flight.
E.T. Joshua International Airport, Departure Lounge, Arnos Vale, St. Vincent, VC0280, St. Vincent and the Grenadines