Washington / Mystery Bay /

Mystery Bay State Park

Mystery Bay State Park is a public boat ramp on Mystery Bay near Marrowstone, Washington.

Aerial view of the ramp, the gravel lot and the pier at Mystery Bay, August 2017
Aerial view of the ramp, the gravel lot and the pier at Mystery Bay, August 2017 Photo: USDA Farm Service Agency, NAIP · Public domain · via USGS The National Map

Status not reported No closure has been posted for this launch, but its agency does not publish open or closed status. Check with the managing agency before you tow.

At the launch

Type
Boat ramp
Fee
Discover Pass required
Car parking
Yes (unpaved)
Restrooms
Pit toilet
Tidal
Yes
Coordinates
48.05867, -122.69479

Directions (Google) Apple Maps

Boating rules

  • No-discharge zone: WAC 173-228 bans vessel sewage discharges, whether treated or not, in the No Discharge Zone. It became effective May 10, 2018. · all of Mystery Bay rule

From the boating rules map of Washington Department of Ecology, read October 20, 2026. A map of rules is a guide: the regulation's text and the posted signs govern.

Conditions

Marine advisories

Advisories in effect load here; without them, see the NWS zone forecast below.

National Weather Service marine zone PZZ134, Admiralty Inlet. Zone forecast: winds, seas, warnings.

Tides

Predicted highs and lows at NOAA's Mystery Bay, Marrowstone Island station, 0.1 mi from this launch, in local time above MLLW. Predictions, not observations: wind and weather move the real tide. Full predictions at NOAA.

Tide predictions, Mon Nov 2 to Sun Nov 8
Mon Nov 2 Low 3:59 am -0.1 ft · High 11:54 am 8.5 ft · Low 7:19 pm 5.3 ft · High 9:47 pm 5.6 ft
Tue Nov 3 Low 5:06 am 0.9 ft · High 12:34 pm 8.4 ft · Low 7:52 pm 4.1 ft · High 11:49 pm 5.4 ft
Wed Nov 4 Low 6:11 am 2.0 ft · High 1:08 pm 8.4 ft · Low 8:21 pm 2.8 ft
Thu Nov 5 High 1:38 am 5.7 ft · Low 7:11 am 3.0 ft · High 1:35 pm 8.3 ft · Low 8:48 pm 1.6 ft
Fri Nov 6 High 2:58 am 6.4 ft · Low 8:06 am 4.1 ft · High 1:57 pm 8.2 ft · Low 9:14 pm 0.5 ft
Sat Nov 7 High 4:02 am 7.1 ft · Low 8:56 am 5.0 ft · High 2:16 pm 8.1 ft · Low 9:42 pm -0.4 ft
Sun Nov 8 High 4:55 am 7.8 ft · Low 9:45 am 5.8 ft · High 2:34 pm 7.9 ft · Low 10:10 pm -1.1 ft

On Mystery Bay

Bay in Washington. All launches on Mystery Bay.

Community

Where people who use Mystery Bay talk about it.

Nearby launches

Sources

Why it is listed as public: listed by Washington Ecology Shoreline Public Access sites with a boat launch (Puget Sound and the coast). Something wrong, or is this launch private? Send a correction; it goes to a person.