The “classic” is 5x15ml of liquor, you’re supposed to do half measures for the classic mix. That’s ~24ml of pure alcohol, about the same as a strong Double or a medium Triple beer.
IF you’re doing half measures, which most places won’t, because that gets the bartender shouted at.
A proper long Island is about 5 ounces of liquid with 4 of them being liquor. That’s way more potent than a bee and a shot.
The “classic” is 5x15ml of liquor, you’re supposed to do half measures for the classic mix. That’s ~24ml of pure alcohol, about the same as a strong Double or a medium Triple beer.
IF you’re doing half measures, which most places won’t, because that gets the bartender shouted at.