We visited a few times in June 2018 with a couple of toddlers during our visit to San Diego. The park area and nearby beach/sand shores were filled with families.
It was a 3 minute walk from our condo at Fanuel and Pacific Beach Drive!
The park has a bit of grass, along with the play structure which has sand flooring. It’s suitable for toddlers and kids up to ~7 to 8 years. There are a couple of slides and some swings-both open seat and toddler safety swings. The play structure is physically separated from the beach area and water- which is 20 steps away. The park is on the bay side, so it’s calm water as opposed to the beach which faces the pacific (and has surfing).
A great place to give your kids the option of beach or playground.
There are outdoor showers and individual bathrooms, which are relatively clean. And yes, a few homeless frequented the park and bathroom facilities in the days we visited, but there were no negative interactions.
The park leads to the concrete walkway which extends along the beach out west towards the homes and resorts.
There are a few Bird scooters parked nearby, so you can grab one and go for a ride once you activate it on your cell.