Free things to do with kids in Foster City

A playground by the lagoon beside the community center, with a climbing wall, tall slides and shade structures, plus a big open lawn.

Baby and big-kid swings, a two-person swing to share and rain-sound pieces, with a separate tiny-tot area.

A playground on the lagoon with picnic benches and a soccer field alongside.

A netted arch climber that leads to a slide, plus a climber that goes every which way, with a big lawn around it for running.