



Cull Canyon Regional Recreation Area
Castro Valley
Built around a chlorinated lagoon with real sand and attentive lifeguards, this compact swim complex feels like a beach day without the drive to the coast. Shallow entry zones make it a hit with little ones while the diving deck keeps older kids busy.
Family-friendly
chlorinated lagoon
Sandy beach entry
Shallow water for kids
Tips
👶"I really loved how attentive the lifeguards are"
⛱️arrive early for covered canopy spots
🤿diving deck requires passing a swim test
Cull Canyon Regional Recreation Area
Castro ValleyOpen




Built around a chlorinated lagoon with real sand and attentive lifeguards, this compact swim complex feels like a beach day without the drive to the coast. Shallow entry zones make it a hit with little ones while the diving deck keeps older kids busy.
Family-friendly
chlorinated lagoon
Sandy beach entry
Shallow water for kids
Tips
👶"I really loved how attentive the lifeguards are"
⛱️arrive early for covered canopy spots
🤿diving deck requires passing a swim test