Place sliced cantaloupe and lime juice in a blender. Pulse until smooth. Transfer to a large bowl and add lime zest, sugar, and light rum. Stir to combine. Let sit until sugar dissolves.
Pour into plastic ice pops bags. Seal bag and freeze for at least 6 hours until solid.*
It is best to freeze these in ice pop bags rather than popsicles molds because alcohol does not completely freeze. The amount of alcohol in these ice pops results in a slightly slushy pop.
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