Updated
Lake Sammamish State Park
State park · Issaquah, Washington
512-acre park with ample waterfront access & boat launch, plus seasonal kayak rentals & picnicking.
Things to Do Near Lake Sammamish State Park
Top-rated tours and experiences around Issaquah, powered by Viator — free cancellation on most.
Seattle Kayak Rentals at Lake Sammamish
Ultimate Mount Rainier National Park Self-Guided Driving Tour
Bike Tour Seattle. 5 star Electric Bike Tour Seattle's waterways
Guided forest hike to Seattle waterfalls incl. Snoqualmie Falls
We earn a commission on bookings — at no extra cost to you. Helps keep this site free.
Stay near Lake Sammamish State Park
Find hotels near Lake Sammamish State Park
Compare prices on Expedia — free cancellation on most rooms.
We earn a commission on bookings — at no extra cost to you. Helps keep this site free.
Current water conditions
Live data from NOAA buoy TCNW1 (26.1 mi away), as of Aug 20, 10:30 PM UTC. Conditions are for general information only and can change quickly — always judge the water in person and follow posted advisories before swimming.
Weather at Lake Sammamish State Park
Sponsored gear checklist
Pack smarter for Lake Sammamish State Park
Useful gear categories for this kind of water spot. These links open Amazon search results so you can compare current options.
As an Amazon Associate we earn from qualifying purchases.
Frequently asked questions
- Where is Lake Sammamish State Park?
- Lake Sammamish State Park is a state park in Issaquah, Washington.
- What is the water temperature at Lake Sammamish State Park?
- As of August 20, 2026, the water temperature at Lake Sammamish State Park in Issaquah, Washington is 57°F (14°C), measured by NOAA buoy TCNW1, 26.1 miles away.
- Can you swim at Lake Sammamish State Park?
- There is no fixed answer for Lake Sammamish State Park: whether it is safe to swim there on a given day depends on the water temperature, recent rainfall, and any advisories posted at Lake Sammamish State Park in Issaquah, Washington. Check current water conditions before you go, and follow posted signs and local guidance.
- How is Lake Sammamish State Park rated?
- Lake Sammamish State Park in Issaquah, Washington has an average visitor rating of 4.7 out of 5, based on 5044 reviews.
- What amenities does Lake Sammamish State Park have?
- Visitor-listed amenities at Lake Sammamish State Park include camping-nearby.
Visitor Reviews
Be the first to share your experience here
Join our community to share your water adventures
Earn badges as you share your experiences!
No reviews yet — share what you know
Been here? A quick note helps the next visitor plan their day. Handy things to mention:
Best Times to Visit
- ›Weekday mornings (8–10 AM) are typically less crowded
- ›Check the forecast 2–3 days ahead for best planning
- ›Avoid holiday weekends for a quieter experience
Location & Contact
</> Embed this location on your site
Paste this snippet into your website to show a live badge for Lake Sammamish State Park — free to use with the included credit link.