For this weekend — Saturday, August 22 and Sunday, August 23 — I’d make Saturday a Pensacola Beach day:

1. Family Beach Fest at Pensacola Beach — Saturday
   The beach’s current event listing promotes Family Beach Fest 2026 with live music, beach activities, and family fun. This is the best all-ages pick if the grandkids want room to run around rather than a formal attraction. Start in the morning, bring shade, water, towels, and cash/card for food nearby. Event listing

2. Pair it with the quieter side of the beach: Quietwater Beach/Boardwalk
   Good for younger kids because the sound-side water is generally calmer than the Gulf, plus you have snacks, restrooms, and browsing close by. It’s an easy “beach without committing to a whole day in the surf” option. Pensacola Beach’s August roundup

3. If they’re elementary-age and up: Historic Pensacola Village + Children’s Museum area
   This is my rain-or-extreme-heat backup. You can walk downtown in short stretches and mix history with kid-friendly exhibits rather than trying to keep everyone outside all afternoon. The beach visitor listing specifically highlights the historic-village tours as a family option. See the roundup

4. Look for a Little Mermaid showing
   Pensacola Beach’s current August post lists Disney’s The Little Mermaid among the month’s activities. That’s likely the best evening choice for kids who are tired of the heat—but confirm the exact venue and showtime before driving over, since the event post doesn’t provide those details. August events post

My practical pick: Family Beach Fest Saturday morning, lunch around the boardwalk, then leave before the afternoon heat or thunderstorms build. For Sunday, keep it flexible: beach early if conditions are nice; downtown museum/history time if not.

👉 What ages are your grandkids, and would you rather plan around the beach, air-conditioned activities, or something active like arcade/go-karts?