Where the public can swim at Lake Sammamish

Lake Sammamish State Park has two public swimming beaches, while Redmond's Idylwood Beach is a separate city-managed public beach. Neither listing treats a beach as a real-time water-quality guarantee.

Lake Sammamish State Park

Two public swim beaches Discover Pass

A public Washington state park with two swimming beaches and a Discover Pass day-use fee.

Details, fees & parking →

Idylwood Beach Park

Public swim beach No lifeguards

A public Redmond swimming beach with a bathhouse, restrooms, and no lifeguards.

Details, fees & parking →