Lake Washington
Matthews Beach
Public city park beach
Check King County's current swimming-beach monitoring and posted notices
Yes. Matthews Beach is a public Seattle swimming beach on Lake Washington. Seattle lists a June 27–September 7, 2026 lifeguard season; the park itself is open 6:00 a.m.–10:00 p.m.
Plan the access
- Access status
- Seattle Parks lists a public swimming beach
- Who can use it
- Public city park beach
- Manager
- Seattle Parks and Recreation
- Published hours
- Park open 6:00 a.m.–10:00 p.m.; 2026 lifeguard season June 27–September 7
- Published fees
- No beach-entry fee stated on the city page
- Reservation
- No ordinary beach reservation requirement stated
- Lifeguards
- Scheduled June 27–September 7, 2026; confirm daily operations with Seattle Parks
- Parking
- Park parking is available; availability is not guaranteed
- Water conditions
- Check King County's current swimming-beach monitoring and posted notices
Confirm before leaving
Open official manager page ↗Check condition source ↗Official pages and signs override this guide.
Beach season is not the same as park hours
Seattle publishes 6:00 a.m.–10:00 p.m. park hours and a separate 2026 lifeguard season. A beach can be physically accessible outside a lifeguard shift; do not treat that as supervised swimming.
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Access facts last checked against the linked manager on 2026-08-03. This date is not a water sample or a promise of present conditions.