Patos Island Marine State Park - United States

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About Patos Island Marine State Park

RV quick facts for Patos Island Marine State Park

DetailInformation
AccessBoat-only; no road, bridge, or ferry service to the island
Nearest RV stagingSquallicum Harbor, Bellingham (24 mi east); Blaine Harbor (11 mi NE); Point Roberts Marina (13 mi N)
Hookups on islandNone; primitive campsites only, no fresh water on site
Dump stationNot available on island; use mainland marinas or RV parks in Bellingham or Anacortes
Reservation windowNo reservations; mooring buoys and campsites in Active Cove are first-come, first-served
Cell serviceLimited and inconsistent; plan for off-grid conditions
Road restrictionsNone en route to mainland launches; I-5 corridor is RV-friendly
Park statusOpen year round, though winter access is weather dependent

Best time to visit Patos Island Marine State Park

Late June through early September offers the most reliable weather for the boat crossing, with dry, mild days and calmer seas that suit kayakers and small-boat visitors. July and August are peak season, when the lighthouse museum is typically staffed on summer weekends and campsites in Active Cove fill quickly on a first-come, first-served basis. May, June, and September are excellent shoulder-season windows with fewer boaters and strong wildflower displays. Winter crossings are possible but often rough, with frequent southerly wind storms.

Jan 75 mm
45°F - 36°F

Island open but crossings often rough; strong southerly wind storms common.

Feb 55 mm
48°F - 36°F

Cold, wet, and windy; few visitors.

Mar 50 mm
52°F - 37°F

Variable weather; check marine forecast before crossing.

Apr 40 mm
55°F - 41°F

Early wildflowers appear; seas calming.

May 30 mm
61°F - 45°F

Good shoulder season for kayakers.

Jun 25 mm
66°F - 50°F

Lighthouse museum typically opens for summer weekends.

Jul 20 mm
72°F - 54°F

Peak season; buoys and campsites fill early.

Aug 25 mm
72°F - 54°F

Warmest, driest month; arrive at launch points early.

Sep 35 mm
66°F - 50°F

Excellent shoulder season with lighter crowds.

Oct 65 mm
57°F - 45°F

Lighthouse museum typically closed for the season.

Nov 85 mm
48°F - 39°F

Wet and windy; crossings often cancelled.

Dec 85 mm
45°F - 36°F

Island technically open; winter storms make access difficult.

Things to do at Patos Island Marine State Park

  • Patos Island Lighthouse Easy

    The Patos Island Lighthouse is a historic beacon built in 1893 on the westernmost point of the island. A small interpretive museum operated by Keepers of the Patos Light is typically open on summer weekends from June through September, weather permitting. The site offers sweeping views across Haro Strait toward Canada. blm.gov/visit/patos-island

  • Patos Island Loop Trail Easy

    This 1.5 mile loop trail circles the island through coastal forest, rocky overlooks, and wildflower meadows. It passes the lighthouse, beach access points, and remnants of an abandoned Coast Guard station. Elevation gain is minimal and the footing is generally good. nps.gov/places/patos-island-marine-state-park.htm

  • Active Cove Camping Moderate

    Active Cove offers seven primitive campsites and two mooring buoys on a first-come, first-served basis. Facilities are limited to a vault toilet and a picnic area, with no potable water available on the island. Visitors must pack in all supplies and pack out all trash under Leave No Trace principles. blm.gov/visit/patos-island

  • Sea Kayaking from Orcas Island Strenuous

    Experienced paddlers can reach Patos Island by sea kayak from northern Orcas Island, roughly five miles to the southeast. Strong currents in Boundary Pass and around the island demand careful planning, tide charts, and marine weather checks. Many visitors choose guided outfitters based on Orcas. blm.gov/visit/patos-island

  • Wildlife and Bird Watching Easy

    Patos Island is a rich spot for spotting bald eagles, seabirds, harbor seals, porpoises, and occasionally orcas offshore. The Spanish name translates to Island of Ducks, reflecting the abundant bird life observed by early explorers. Quiet beaches and shoreline overlooks offer the best vantage points. nps.gov/places/patos-island-marine-state-park.htm

  • International Boundary Marker Viewpoint Easy

    From Patos Island, visitors can spot the international boundary marker that delineates the maritime border between the United States and Canada. The island is the northwestern-most point in the contiguous 48 states, offering a unique geographic milestone. Bring binoculars for the best view across the water. nps.gov/places/patos-island-marine-state-park.htm

  • Wildflower Viewing Easy

    Spring and early summer bring vibrant wildflower displays along the island's beaches, wooded areas, and rocky overlooks. Common sightings include chocolate lily, camas, and sea blush. Stay on established paths to protect fragile meadow habitat. blm.gov/visit/patos-island

Top Hosts near WA, United States

Stanislav125 trips - Joined Aug 2018 - Superhost

Our second time renting with Stanislav. Very responsive, flexible. RV is clean, well equipped, easy driving. Great!

Britt S. - Sep 2026

We went on our first RV trip as a family and had a fantastic time. The host was communicative and the RV was clean and worked really well. We will for sure rent again.

Alannah S. - Aug 2026

David115 trips - Joined Mar 2022 - Superhost

We have rented with David before and once again it was a great experience. He is very easy to talk to and coordinate your plans with. The RV is well equipped and clean. Would definitely recommend David

Robert R. - Sep 2026

Was a pleasure renting from David. The unit was clean, and kept in good shape.

lucas N. - Aug 2026

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RV Rentals Patos Island Marine State Park

Patos Island Marine State Park, WA, United States

How to get to Patos Island Marine State Park

Patos Island has no ferry or road access, so RV travelers drive to a mainland marina and continue by private boat, charter, or kayak. The nearest launch sites are at Point Roberts Marina (13 miles north), Blaine Harbor (11 miles northeast), and Squallicum Harbor in Bellingham (24 miles east). From Seattle, plan roughly 90 miles and 2 hours to Bellingham via I-5, a straightforward RV route with no tunnels or steep mountain passes. Bellingham International Airport is the closest regional airport for fly-and-rent travelers, while Sea-Tac International offers broader flight options.

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