Blake Island Marine State Park

Blake Island Marine State Park is a 475-acre marine camping park with five miles of saltwater beach shoreline providing magnificent views of the Olympic Mountains and the Seattle skyline. The park is only accessible by tour boat or private boat. A Northwest flavors-inspired buffet meal featuring traditionally prepared alder fire-roasted fish and a live stage performance featuring Northwest Native American storytelling are offered at Argosy Cruises' Tillicum Excursion.
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  1. Activities
  2. Boating
  3. Camping
  4. Maps

ADA Amenities/Facilities

  • Restroom

Picnic & Day-Use Facilities

Two picnic shelters with a fire circle for groups of 100 people or less. No electricity is available. Fires are permitted only in designated fire circles at individual campsites. Barbeque grills are located in the day-use area.



  • 7.5 miles of bike trails
  • 8 miles of hiking trails

Water Activities & Features

  • 1500-feet of moorage
  • Boating
  • Clamming
  • Crabbing
  • Diving
  • Saltwater fishing

Other Activities & Features

  • Beach exploration
  • Bird watching
  • Interpretive activities
  • Mountain biking
  • Two sheltered fire circles
  • Two horseshoe pits
  • Volleyball field
  • Wildlife viewing

Interpretive Opportunities

The history of the Trimble estate appears on a sign at the site of the former Trimble mansion. Blake Island was once the private preserve of the William Pitt Trimble family. Native plants are interpreted in signage on the nature trail.

Additional Information

  • Argosy Cruises Tillicum Excursion, an attraction located on the island, features a traditionally prepared roasted fish buffet meal with a Northwest Native American performance enhanced by technology. A small cafe in the Tillicum longhouse is open from Memorial Day to Labor Day, annually. For reservations/information,  call Argosy Cruises (206) 623-1445 or visit online.
  • Firewood gathering is not permitted on the island.
  • A recreational license is required for fishing and shellfish harvesting at Washington state parks. For regulations, fishing season information, or to purchase a recreational license, visit the Washington Department of Fish and Wildlife.