Slurp barrels can be found in the fenced-off backyards of gas stations, and even on a ship that spawns in a different random offshore location in each map. Gas stations are good drop spots because they have an abundance of loot, chests, vehicles, and vending machines, and some of them also have ice machines. They usually don’t have that many Slurp barrels though (typically five) and can be dangerous landing spots due to their popularity.
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