Blue Lagoon

Screams and splashes echo across this proper water park just outside Narberth, where families come to burn off energy regardless of the Welsh weather. Blue Lagoon delivers exactly what you'd expect - slides, pools, and the sort of chlorinated chaos that keeps kids happy for hours.

The indoor setting means rain won't wreck your plans, which is half the battle in Pembrokeshire. Younger children gravitate toward the shallow play areas with miniature slides and water features, while teenagers make a beeline for the bigger thrills. Parents can actually relax poolside rather than constantly scanning the horizon for the next downpour.

Being virtually next door to Bluestone Resort makes this an easy add-on if you're staying there, though families at any of the nearby parks like Folly Farm Holiday Park or Woodland Vale will find it worth the short drive. It's the sort of place that works brilliantly on a rainy afternoon when outdoor activities are off the table.

Expect to spend a good three hours here if the kids are properly engaged. The facilities are decent enough, though don't expect Center Parcs levels of sophistication. For Pembrokeshire families seeking reliable indoor entertainment, it does the job well.