Campsite

Posey Island Marine State Park

BackcountryFreeWashington, United StatesNo reviews yet

About this site

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. Additional Info: Posey Island Marine State Park is a 1-acre island with 1,000 feet of shoreline, located a quarter mile north of Pearl Island near Roche Harbor in the San Juan Islands. It features two primitive group campsites for non-motorized boaters (human- or wind-powered watercraft only), each accommodating up to 8 campers (max 16 total per night, strictly enforced). There is a composting vault toilet. No potable water; pack out what you pack in. Reservations required May 15-Sep 30 via washington.goingtocamp.com (up to 9 months in advance); first-come first-served for unreserved spots. No reservations needed Oct 1-May 14. Max 3 nights.

Amenities & access

Access

  • Hike-in access
  • Boat-in access

Amenities

  • Toilets
  • Fire Rings

Contact

Location

48.618381, -123.167837

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