Anything Frozen
Especially if it’s in a machine. Here’s why: Those machines are rarely cleaned (yuck), and because bartenders keep adding mix and spirits to what’s already being churned, the ratios get thrown off. By the time you’re ordering that blue raspberry margarita, who knows what is actually being swirled around in there.
What to order instead: An el Jimador and grapefruit juice (or Coke, if we’re talking a bare-bones bar). One sip and you get all the beach vibes minus the complicated machinery plus one happy bartender.