Patos Island Marine State Park
Patos Island Marine State Park is a remote, boat-access-only park at the northern edge of the San Juan Islands. Known for its historic lighthouse, rocky shoreline, and quiet campsites, it offers a rugged island experience with excellent wildlife viewing, kayaking, and saltwater scenery.
Free
Visiting with Dogs
Dogs allowed on leash; keep pets under control and clean up waste. Check seasonal or area-specific restrictions before visiting.
Visitor Tips & Reviews
What Visitors Say
Remote, peaceful island park loved for stunning water views, wildlife, kayaking, hiking, and quiet camping. Visitors praise the lighthouse, sunsets, and true off-the-grid adventure.
Tips from Visitors
- Bring your own water and supplies; services are very limited.
- Arrive by boat only; check tides and weather before traveling.
- Pack out all trash to protect the island's fragile environment.
- Use caution on rocky shorelines and uneven trails.
- Respect wildlife and keep a safe distance from nesting birds.
Best Time to Visit
The best time to visit Patos Island Marine State Park is late spring through early fall, when calmer seas make boat travel easier and camping is most comfortable. Summer also offers the best chance for wildlife viewing, long daylight hours, and clear views across the islands.
Amenities
Nearby Attractions
Explore these attractions near Patos Island Marine State Park:
- Matia Island Marine State ParkA nearby boat-access-only park known for its old-growth forest, quiet campsites, and protected shoreline.5 miles away
- Sucia Island Marine State ParkA popular marine park with dramatic sandstone formations, coves, and some of the best boating and camping in the San Juans.12 miles away
- Lime Kiln Point State ParkA well-known whale-watching destination on San Juan Island with views of Haro Strait and frequent orca sightings.16 miles away
Things to Do at Patos Island Marine State Park
Camping at Patos Island Marine State Park
Primitive camping only; no RVs, cabins, or hookups. Boat-in access, limited sites, seasonal use, no reservations.
Hiking Trails
Patos Island Marine State Park offers a short, scenic day hike with rugged coastal views, quiet forested paths, and plenty of shoreline exploration. Visitors often enjoy the peaceful, remote feel, wildlife sightings, and sweeping vistas of the San Juan Islands. Trails are generally easy to moderate, but conditions can be uneven and muddy, so sturdy shoes are recommended.
Patos Island Loop Trail
EasyA scenic loop around the island’s main developed area, with shoreline views, forested sections, and access to the historic lighthouse area.
Lighthouse Trail
EasyShort walk to the Patos Island Lighthouse and nearby viewpoints, ideal for a quick outing with sweeping water and island scenery.
North Shore Trail
EasyA gentle trail along the north side of the island offering quiet forest, rocky shoreline, and chances to spot marine wildlife.
South Shore Trail
EasyA relaxed shoreline route with views across the islands and a mix of beach access, driftwood, and coastal forest.
Directions
Access by private boat or kayak only. From Anacortes, travel north by water through the San Juan Islands to Patos Island, near the Canadian border. There is no ferry service or road access to the park.
Contact & Info
Frequently Asked Questions
How do I get to Patos Island Marine State Park?
Patos Island is only accessible by boat, kayak, or floatplane. Most visitors arrive by private boat or water taxi from the San Juan Islands. There is no ferry service or road access.
Are there campsites on Patos Island?
Yes. The park has primitive campsites, but they are first-come, first-served and can be limited. Visitors often recommend arriving early, especially in summer, and bringing all needed supplies.
Is there drinking water on the island?
No reliable potable water is available on Patos Island. Visitors should bring enough water for their entire stay, as reviews often mention this as an important planning item.
What is the lighthouse like?
The Patos Island Lighthouse is a major highlight and a favorite photo spot. Visitors often describe the setting as scenic and peaceful, with great views of the surrounding water and islands.
Can I hike or explore the island?
Yes. There are short trails and shoreline areas to explore. Many visitors enjoy the quiet, natural feel of the island, but terrain can be uneven, so sturdy shoes are recommended.
What should I know before visiting?
Plan ahead and pack everything you need, including food, water, and weather-appropriate gear. Reviews often note that conditions can change quickly, and cell service may be limited or unavailable.

Don’t Forget the Essentials
Essential camping & hiking gear we recommend to make your park trip easier and more comfortable.
View Gear Checklist →