Best Overproof Rum: Sunset Very Strong Rum, St Vincent and the Grenadines They say it’s so strong you can’t bring it on the plane back with you — but we say it’s worth the risk to haul back one of the Caribbean’s most legendary expressions. Bottled at 169 proof, St Vincent Distillers’ overproof masterwork is powerful to be sure, but also smooth — so smooth that the locals in Kingstown will promise you there’s no hangover in the morning. And guess what? Our research shows it to be true.