Washington State Parks · Washington

Hope Island Marine State Park (Mason County)

Washington State Parks · Washington, United States · in Hope Island Marine State Park - Mason County

Open on the map Drive there Reserve Directions
Sites
8
Hookups
8 no hookups
Group sites
Yes
Drinking water
No
Restrooms
Yes
Pets
Yes
Elevation
33 ft
Dark sky
Bortle class 4
Cell coverage
T-Mobile good · Verizon good · AT&T none (carriers' 4G LTE filings to the FCC, 2025-12; not measured here)
Phone
(360) 426-9226
Activities
Bird Watching, Boating, Fishing, Hiking, Swimming, Wildlife Viewing

Season dates aren't confirmed for this campground yet - opening and closing dates haven't been verified. Check the operator's page or call ahead before you plan a trip.

Site map

The imagery of the campground. Press and hold the map to drop your own pins and notes; the operator publishes no site points here. Your ratings, notes, pins and photos are kept with the campground on your Saved list, the same list the camping map and the drive page keep.

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About

Hope Island Marine State Park (Mason County) is a Washington State Park with 8 campsites available for camping.

Fees

Washington State Parks' published statewide camping rate schedule varies by season: Standard sites $23-43/night, Partial-utility (water/electric) sites $35-56/night, Full-utility sites $41-56/night, Primitive sites $12/night flat year-round (peak season is May 15-Sept 15, shoulder Apr 1-May 14 & Sept 16-Oct 31, winter is Nov-Mar). Plus a $10/night extra-vehicle fee and an $8 (online) or $10 (phone) reservation fee, with an additional $15/reservation surcharge for non-residents. A Discover Pass is not required for day-use parking once a camping fee has been paid at that park. (Source: parks.wa.gov/passes-permits/fees.)

Weather, month by month

MonthTypical highTypical lowColdest nightHottest dayYears with a night below 32°F
January46°37°25°55°5 of 11
February46°36°24°58°7 of 11
March50°38°30°68°1 of 11
April55°42°30°74°1 of 11
May62°49°40°87°0 of 11
June66°52°47°92°0 of 11
July77°57°53°98°0 of 11
August79°59°53°97°0 of 11
September71°56°51°92°0 of 11
October59°49°40°79°0 of 10
November51°43°33°59°0 of 10
December45°38°31°56°4 of 10

Mid-month figures from 2016–2026 of daily weather at this spot (ERA5 reanalysis via Open-Meteo, CC BY 4.0), in °F. Typical is the median; coldest and hottest are the extremes seen.

Nearby campgrounds

All public campgrounds in Washington · Every state and province · Facts read from the operator 2026-08-23. Confirm fees, rules and current status with the operator before you go.