Mystery Bay State Park is an eighteen-acre (7.3 ha) Washington marine state park on Mystery Bay, a small inlet off Scow Bay/Kilisut Harbor on the western side of Marrowstone Island. The park is located approximately one-half mile north of the Nordland General Store (which also faces Mystery Bay) on Flagler Road (SR 116). Many older wooden sailboats can be swinging at permanent moorage at the park. Park activities include picnicking, shellfish harvesting, fishing, boating, beachcombing, and scuba diving.Choose to start, finish, or center your holiday on a trip to Mystery Bay State Park by using our Marrowstone Island attractions planner.
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Mystery Bay State Park reviews
As we were driving around Marrowstone Island, we took the turn in to Mystery bay. We didn’t know how it got its name, but it is lovely.
As we were driving around Marrowstone Island, we took the turn in to Mystery bay. We didn’t know how it got its name, but it is lovely. more »
Been visiting since 1972
Best beach to take kids/grandkids! Warm waters to swim after a few hot days!
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