Where the public can swim at Lake Washington

Seattle Parks operates public swimming beaches at Matthews and Magnuson. Lifeguard service is seasonal and the 2026 dates differ by beach, so this guide separates the beach schedule from year-round park access.

Matthews Beach

Public swim beach Seasonal lifeguards

Seattle's largest freshwater bathing beach; lifeguards are seasonal and the 2026 season is over.

Details, fees & parking →

Magnuson Park Swimming Beach

Public swim beach Seasonal lifeguards

A public city swim beach with a fixed platform; lifeguards are seasonal and the 2026 season is over.

Details, fees & parking →