Heritage Park in Irvine sports a water feature and lots of nautical play on its playground. It’s also near the public library and small lake.
Veterans Sports Park at Tustin Legacy is a huge central park with a playground & splash pad near The District and former El Toro MCAS.
Dinosaur Park in Laguna Hills is the near Laguna Hills Community Center. Dino Park has a climbable whale bone fossil and a cave with fossils.