RV parks & campgrounds · Washington · San Juan County

RV parks & campgrounds in San Juan County, Washington

14 listed sites — 1 RV park and 13 campgrounds, around Friday Harbor, Olga. Every site below has its own page.

14RV parks & campgrounds
1RV parks
13Campgrounds
San JuanCounty

OpenStreetMap · as of July 22, 2026

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Park	Where	Type	Amenities
Cascadia Marine Trail Campsite - Griffin Bay	San Juan County	Campground	3 listed
Cascadia Marine Trail Campsite - Jones Island	San Juan County	Campground	3 listed
Cascadia Marine Trail Campsite - Obstruction Pass	San Juan County	Campground	3 listed
Cascadia Marine Trail Campsite - Odlin County Park	San Juan County	Campground	4 listed
Cascadia Marine Trail Campsite - San Juan County Park	San Juan County	Campground	4 listed
Cascadia Marine Trail Campsite - Shaw County Park	San Juan County	Campground	4 listed
Cascadia Marine Trail Campsite - Spencer Spit State Park	San Juan County	Campground	4 listed
Cascadia Marine Trail Campsite - Stuart Island	San Juan County	Campground	4 listed
Doe Bay Resort & Retreat	Olga	Campground	3 listed
Islanders	San Juan County	Campground	1 listed
Jones Island South Camp	San Juan County	Campground	1 listed
San Juan County Fairgrounds Camping	Friday Harbor	RV Park	8 sites · 2 listed
San Juan County Park Campground	San Juan County	Campground	1 listed
Shaw County Park Campground	San Juan County	Campground	2 listed

Other counties: Okanogan · Chelan · Yakima · Clallam · Grant · Kittitas · all 39 counties

Free tools for RV park & campground owners

Park value & profitability estimator: what a park earns on its monthly sites, and what that's worth.
Submeter calculator: two meter reads in, an at-cost tenant bill out — the same math for a submetered electric pedestal or a water meter.
Prorated rent calculator: the exact first- or last-month charge when a monthly guest arrives mid-cycle.
RV park & campground billing: how Lot Sidekick bills long-term and seasonal sites on one flat price.

Source: OpenStreetMap (tourism=caravan_site and camp_site), via the Overpass API, as of July 22, 2026. © OpenStreetMap contributors, ODbL (opendatacommons.org/licenses/odbl). Listings are community-maintained and can lag real life. See something out of date? Tell us, or claim the page.