Cascadia Marine Trail - Posey Island
Cascadia Marine Trail - Posey Island is a free campsite in Washington. It is listed as free to stay.
- Type
- Free campsite
- Location
- Washington
- Coordinates
- 48.61838, -123.16784
- Nightly fee
- Free
- Map
- Open in OpenStreetMap
- Website
- parks.wa.gov/find-parks/state-parks/posey-islan…
Amenities
- Toilets
- Capacity: 2
Only amenities a source confirms are listed; an amenity missing here is unknown, not absent.
About Cascadia Marine Trail - Posey Island
No water. Whole island is CMT campsite (human / wind powered only), but also a popular stop for lunch with tour groups. The two designated Cascadia Marine Trail campsites are close together, near toilet.
Cell coverage
No coverage data for this location yet.
Nearby RV services
- Dump station
- City Of Anacortes · 27 mi
- Water fill
- None mapped within 50 mi
- Propane
- Suburban Propane · 29 mi
- Low clearances
- None mapped within 10 mi
Other places to stay nearby
| Name | Type | Distance | Fee | Hookups |
|---|---|---|---|---|
| Mountaineers | Private campground | 3.3 mi | — | — |
| Admin and Visitor Tipis | Private campground | 3.3 mi | — | — |
| Admin Tipis | Private campground | 3.3 mi | — | — |
| Explorers | Private campground | 3.4 mi | — | — |
| Mariners | Private campground | 3.4 mi | — | — |
| Rangers | Free campsite | 3.4 mi | Free | — |
Open Cascadia Marine Trail - Posey Island in DryRig
Save it offline, check your rig's clearance on the drive in, and see what's nearby on the map.
Sources. OpenStreetMap contributors. Updated June 2026. Facility facts only; DryRig does not publish ratings or reviews on this page.
Contains information from © OpenStreetMap contributors, available under the Open Database License (ODbL).