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
- 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
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
| Month | Typical high | Typical low | Coldest night | Hottest day | Years with a night below 32°F |
|---|---|---|---|---|---|
| January | 46° | 37° | 25° | 55° | 5 of 11 |
| February | 46° | 36° | 24° | 58° | 7 of 11 |
| March | 50° | 38° | 30° | 68° | 1 of 11 |
| April | 55° | 42° | 30° | 74° | 1 of 11 |
| May | 62° | 49° | 40° | 87° | 0 of 11 |
| June | 66° | 52° | 47° | 92° | 0 of 11 |
| July | 77° | 57° | 53° | 98° | 0 of 11 |
| August | 79° | 59° | 53° | 97° | 0 of 11 |
| September | 71° | 56° | 51° | 92° | 0 of 11 |
| October | 59° | 49° | 40° | 79° | 0 of 10 |
| November | 51° | 43° | 33° | 59° | 0 of 10 |
| December | 45° | 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
- Joemma Beach State Park · Washington State Parks · 7 mi
- Jarrell Cove State Park · Washington State Parks · 7 mi · 13 sites
- Little Creek Casino Resort RV Park · Tribal Lands · 9 mi · 44 sites
- Penrose Point State Park · Washington State Parks · 10 mi · 84 sites
- Twanoh State Park · Washington State Parks · 14 mi · 48 sites
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.