Seaside Lagoon is situated on the southwest corner of Harbor Drive and Portofino Way in Redondo Beach‘s King Harbor. This large saltwater lagoon offers trained lifeguard supervision, making it a great place for family fun and swimming. There is a large sand area for sunbathing with children’s play equipment, a snack bar provided by Ruby’s Restaurant, volleyball courts, picnic tables, and barbeque facilities. There is also a grassy area and luau shelter for day and evening events.
Seaside Lagoon is a salt water facility. Water for the lagoon comes from the other side of the breakwater, at about 50 feet deep, and travels to the nearby steam generating plant where they use it to cool the turbines. The water then travels under the street in large pipes to the Seaside Lagoon where it is chlorinated when entering the lagoon and de-chlorinated when leaving the lagoon back into the harbor. The Seaside Lagoon has approximately 1.5 million gallons of water and has a flow through rate of approximately 200,000 gallons per hour.
Seaside Lagoon 200 Portofino Way Redondo Beach, CA 90277 (310) 318-0681
Open Summer Months
Memorial Day through Labor Day: 10:00 am to 5:45 pm
Daily Rates
Adults (over 17) $7.00
Children (2-17) $6.00
Under 2 FREE
Season passes and group rates are also available*
Parking Rates (Cash Only)
With validation from Seaside Lagoon: $2.00 per hour, max of $6.00
NOTE: It is always a good idea to verify date, time, location and other information prior to going.
While we strive to present information as accurately as possible, offers are subject to change without notice.
Born and raised in the South Bay. Love where we live and finding new spots that make the South Bay such a beautiful, funny and entertaining place to live.
