Parkside Aquatic Park is a water park in San Mateo, California, offering fun aquatic experiences for the whole family. This page covers Parkside Aquatic Park tickets, current prices, opening hours, and what visitors are saying. Searching for a waterpark near you in San Mateo, California? Parkside Aquatic Park is one of the closest local options for families and visitors looking to cool off during the warmer months. The park is well-suited for families and caters to a range of age groups. Younger children and toddlers are particularly well-catered for, with dedicated shallow splash areas and gentle attractions. Visitors rate Parkside Aquatic Park 3.8 out of 5 stars based on 5 reviews. Guests frequently highlight Great location with beach and sand, Family-friendly with playgrounds, Variety of activities like swimming and kayaking as standout aspects of the experience. Unique beach and sand area, opportunities for kayaking and paddleboarding, picnic areas with BBQ grills. For the best experience, plan your visit during early morning or late afternoon on weekdays to avoid the busiest periods. Visit during weekdays or early on weekends to avoid crowds, bring your own water sports equipment, and pack a jacket for cooler afternoons.