Mystery Bay

Washington · Campsite openings, cancellations & sold-out date alerts

Lakes & RiversWatched around the clock

Weekend availability

Live from Washington State Parks · checked Sep 14, 5:46 AM PT

Sold out 5 of the next 5 weekends — exactly when cancellation alerts earn their keep.

  • Fri, Sep 25
    Sold out
  • Fri, Oct 2
    Sold out
  • Fri, Oct 9
    Sold out
  • Fri, Oct 16
    Sold out
  • Fri, Oct 23
    Sold out
Alert me when a sold-out weekend opens

Sold out for your dates? We'll tell you the second a site opens.

Cancellations at Mystery Bay get rebooked in minutes. We check Washington State Parks around the clock and alert you before the crowd refreshes the page.

Set an alert for this park$9.99/mo — why we charge

Not ready to subscribe? Get a free weekend heads-up.

We'll email you if Mystery Bay opens up for a weekend you pick. No account needed.

Park type

Lakes & Rivers

Washington State Parks system

Online booking

Available on Washington State Parks

Official state reservation system

Alert coverage

Checked around the clock

Openings, cancellations & new dates

Where Mystery Bay is

Washington 98801-5938

48.0600, -122.6942

Get directions

Getting a campsite at Mystery Bay

How do I get a campsite at Mystery Bay when it's sold out?

Cancellations happen constantly — the trick is being first to know. Set an alert for your dates and we'll watch Mystery Bay on Washington State Parks around the clock, then notify you the moment a site opens. Alerts run on a Pro subscription ($9.99/mo, cancel anytime).

When do campsites usually open up at Mystery Bay?

Whenever someone cancels. Most reservation systems refund less the closer you get to arrival, so cancellations cluster in the days before a stay — but the openings themselves are unpredictable, which is exactly why watching for them beats refreshing the page.

Where do I book a campsite at Mystery Bay?

Reservations for Mystery Bay are made on Washington State Parks, the official booking system for Washington State Parks. GetParkAlerts is independent — we tell you when a site opens; you book it directly on the official site.

Parks near Mystery Bay

Flexible on where you camp? Watch a few of these too — more parks, better odds.

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