Trinity Plaza & Indoor Playground

Free entry and AC in Jacksonville — honestly, that combo alone is enough to put this place on repeat. The climbing structure and slides keep kids busy across a pretty wide age range, so if you’ve got a toddler and a 10-year-old, they’re both covered. The enclosed setup makes it easy to actually relax while you keep an eye on things, and the fact that there’s coffee and snacks on-site means you’re not rushing out the door the second someone gets hungry. Restrooms are there when you need them, and the place stays clean — which, if you’ve been to enough of these, you know isn’t a given.