Lake trip · King County, Washington
Where to stay at Lake Sammamish
Lake Sammamish covers - in King County and is Not Rated for water quality: clarity is on file, but total phosphorus, total nitrogen, chlorophyll-a, and turbidity are incomplete for a letter. NR is not an F. Compare cabins, resorts, and vacation rentals below. Late spring through early fall, with June through August the peak season for swimming, boating, and fishing.
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Places to stay near Lake Sammamish
Cabins, resorts, hotels, and vacation rentals near Lake Sammamish in King County, Washington — live availability and prices. Add your dates to see totals.
Top-rated places to stay near Lake Sammamish
Prices for Sep 11–13, 4 adults. Change dates on the map below.
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
About the water
Lake Sammamish is Not Rated for water quality. Not Rated: one monitoring station are on record, but they measured water clarity only. LakeQuality’s A–F method grades total phosphorus, total nitrogen, chlorophyll-a, and turbidity; clarity is shown, not scored. NR is not an F. Water clarity is about 11.5 ft of visibility. A missing letter is not a reason to skip cabins and rentals around the lake.
Best time to visit
Late spring through early fall, with June through August the peak season for swimming, boating, and fishing.
Check the National Weather Service forecast for Lake Sammamish →
About Lake Sammamish
Camping & RV near Lake Sammamish
Search public campgrounds and RV sites near Lake Sammamish on Recreation.gov, then compare cabins, resorts, and rentals on the map above.
Common questions
Frequently Asked Questions
Cabins, resorts, and vacation rentals around Lake Sammamish in King County, Washington are on the map above with live availability and nightly prices. Waterfront rentals put you on the dock; lodging in the nearest town is usually cheaper with more choice.
Lake Sammamish has no water-quality letter. Not Rated: one monitoring station are on record, but they measured water clarity only. LakeQuality’s A–F method grades total phosphorus, total nitrogen, chlorophyll-a, and turbidity; clarity is shown, not scored. NR is not an F. That is a gap in the grading record, not a verdict on the water. Always check local health-department advisories before swimming.
Late spring through early fall, with June through August the peak season for swimming, boating, and fishing.
Explore Lake Sammamish
Every graded lake in Washington, ranked A–F
Depth, room, public access, and the state wake-sport rules
4 documented falls within 21.3 mi, nearest Coal Creek Falls
Species activity outlook by water temperature and season
Where to stay at Washington's top lakes, each with its grade
Washington's cleanest and most-polluted lakes, ranked
LakeQuality Lake Trip Planner (2026)
Free trip-planning guide for Lake Sammamish: how to pick a clean lake, the water-quality signals that matter, best swimming and fishing windows, and where to stay.
Lodging availability and prices are provided by Stay22 and its booking partners (Booking.com, Vrbo, Expedia); LakeQuality may earn a commission from bookings at no extra cost to you. Water-quality grades are independent of lodging listings. Always check current health-department advisories and managing-agency conditions before you travel.