Castaic Lagoon Swim Beach

Lake · California

ℹ️ Community-reported spot. Details below are compiled from public sources and are reported to be accurate — always verify locally before visiting.

About this swimming hole

Castaic Lagoon's swim beach is the Lower Lake's answer to summer heat, with a sandy shore and calm water separate from the main reservoir's boating. Lifeguards staff the beach in season. It is one of the closest freshwater swims to the Santa Clarita and San Fernando valleys.

Good to know

Water typeLake
Water temperature70s in summer
Depthdesignated swim lagoon
Best seasonJune-September
Fees$11 day use
Reservations requiredNo
Hourssunrise-sunset
Parkinglagoon parking lots
Amenitiesrestrooms, picnic tables
CountyLos Angeles County
Nearest townCastaic
Safety noteslifeguards in summer; swim only in the designated lagoon area

Map

Nearby swimming holes

Frequently asked questions

Does Castaic Lagoon Swim Beach require reservations?

No reservations are required at Castaic Lagoon Swim Beach based on current information — but verify before you go.

Is there a fee to visit Castaic Lagoon Swim Beach?

Reported fee info: $11 day use. Fees can change — confirm with the official link.

When is the best time to visit Castaic Lagoon Swim Beach?

The best season is typically June-September.

⚠️ Verify before you go. Conditions, fees, reservations, and access can change — confirm details with the official link before visiting. Last verified: September 2026