McMicken Island Marine State Park - United States

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About McMicken Island Marine State Park

RV quick facts for McMicken Island Marine State Park

DetailInformation
Road restrictionsNo road access to the island; boat, kayak, or paddlecraft only
Full hookupsNone on the island; nearest hookup camping is on mainland parks and private RV parks in Mason County
Dump stationNot available on McMicken Island; use Jarrell Cove State Park on Harstine Island or other nearby parks
Max RV lengthNot applicable on the island; nearby Jarrell Cove State Park accommodates RVs up to about 30 ft
Cell serviceLimited and carrier dependent in Case Inlet; plan downloads before departure
Reservation windowDay use and mooring buoys are first-come, first-served; Washington Discover Pass required for vehicle parking at mainland launches
Generator hoursNot applicable; the island is undeveloped with no overnight RV sites

Best time to visit McMicken Island Marine State Park

Late June through early September offers the most reliable weather, with warm, dry days, calm water in Case Inlet, and good conditions for paddling and beach visits. July and August are peak months for boating traffic and moorage buoys. May, June, and September are strong shoulder options with fewer boats and cooler temperatures, though spring can still be wet.

Jan 180 mm
45ยฐF - 34ยฐF

Cool, wet, and windy. Island is open but crossings can be rough; few boaters visit.

Feb 130 mm
48ยฐF - 34ยฐF

Winter conditions continue; dress for rain and cold water.

Mar 120 mm
52ยฐF - 37ยฐF

Shoulder season; variable weather.

Apr 80 mm
57ยฐF - 41ยฐF

Drier days begin; good for paddlers watching tides.

May 60 mm
63ยฐF - 46ยฐF

Pleasant spring weather; fewer crowds.

Jun 45 mm
68ยฐF - 52ยฐF

Warm and mostly dry; start of peak season.

Jul 20 mm
75ยฐF - 54ยฐF

Peak boating season; moorage buoys fill quickly on weekends.

Aug 25 mm
75ยฐF - 54ยฐF

Warmest, driest month; popular with day boaters.

Sep 45 mm
70ยฐF - 50ยฐF

Crowds thin; still comfortable for paddling.

Oct 110 mm
59ยฐF - 45ยฐF

Rain returns; pack layers.

Nov 190 mm
50ยฐF - 37ยฐF

Wet and cool; few visitors.

Dec 180 mm
45ยฐF - 34ยฐF

Winter weather; check marine forecast before any crossing.

Things to do at McMicken Island Marine State Park

  • Beachcombing and Tidepooling Easy

    McMicken Island's beaches are the main draw at low tide, exposing cobble flats, eelgrass, and intertidal life along roughly 1.3 miles of shoreline. Sea stars, crabs, and shellfish are common finds. Check tide tables and tread carefully.

  • Island Loop Trail Easy

    A short forested loop trail traces the island's interior through second-growth Douglas fir and madrone. The walk takes under an hour and offers quiet viewpoints of Case Inlet.

  • Kayaking from Harstine Island

    Paddlers commonly launch from nearby Harstine Island access points and cross Case Inlet to reach McMicken. The crossing is short in calm weather but requires attention to tides, boat traffic, and wind.

  • Moorage and Boating

    Mooring buoys off the island's north and south shores serve day-use boaters and overnighters. There is no dock, so shore access is by dinghy or by beaching a kayak.

  • Shellfish Harvesting

    Clam and oyster harvesting is permitted in season on designated state tidelands, subject to Washington Department of Fish and Wildlife rules and current health advisories. Always check the shellfish safety map before collecting.

  • Wildlife and Bird Watching Easy

    Harbor seals, bald eagles, herons, and a range of shorebirds are regularly seen along the island's edges. Bring binoculars and scan rocky points and eelgrass beds.

  • Day Trip from Jarrell Cove State Park
    RV parking available

    RV travelers often base at Jarrell Cove State Park on Harstine Island and paddle or boat across to McMicken for the day. Jarrell Cove offers campsites, a dock, and restrooms, making it a practical staging point for an RV trip.

Top Hosts near WA, United States

SS
Steve22 trips - Joined Mar 2021

Really great RV that was easy to drive and worked really well. Lots of space with the pop out, AC blows cold and the heating is warm. Was very comfortable the whole time. Steve the host is great and took the time to show me how everything worked in detail and had me completely comfortable to go on my trip. Canโ€™t recommend this rental enough. Thank you.

Ryan P. - Sep 2026

Beautiful motorhome. Very clean. Well stocked kitchen, camp chairs etc. Made for a perfect week long getaway with family.

Bryan A. - Jul 2023

Danielle18 trips - Joined Aug 2023

We had such a great weekend camping in the Memory Maker! Danielle has thought of everything when it comes to making life easy while you are โ€œroughing itโ€. We felt cozy and comfortable sleeping as a family of 5. It was easy to pull behind our Tahoe as well. Great experience all around, we already have our next trip booked!

Phil G. - Aug 2025

Danielle is a great host! The trailer was wonderfully laid out and perfect for a family of four. It was very clean and everything worked perfectly! Our family had a great time and would definitely rent from Danielle again!

Gene B. - Jul 2025

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RV Rentals McMicken Island Marine State Park

McMicken Island Marine State Park, WA, United States

How to get to McMicken Island Marine State Park

There is no road to McMicken Island; RV travelers drive to a launch point on Harstine Island or the mainland, then paddle or boat across Case Inlet. Olympia is about a 40 to 50 minute drive (roughly 30 miles) via State Route 3 and the Harstine Island Bridge, and Tacoma is roughly 1 hour away. The Harstine Island Bridge has standard clearance and accepts typical RV rigs, but the two-lane county roads approaching the launches are narrow and winding, so slow travel is advised for larger motorhomes and trailers. The nearest major airport for fly-and-rent trips is Seattle-Tacoma International, about a 90 minute drive north.

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