Mystery Bay State Park is a 10 acre (40,000 m²) Washington state park on Mystery Bay, a small inlet off of Scow Bay/Kilisut Harbor on the western side of Marrowstone Island. It has 685 feet (209 m) of moorage space and is primarily intended for the use of boaters.

It is located approximately one half mile north of the Nordland General Store (which also faces Mystery Bay) on Flagler Road (SR 116).

External link

• Mystery Bay State Park (Washington State Parks website)