Some Cascadia Marine Trail campsites require reservations.

Andrew Anderson Marine Park

Andrew Anderson Marine Park is a unique South Sound Cascadia Marine Trail site available to WWTA members by reservation only. Member reservations must be made three business days in advance through WWTA by calling the office at (206) 545-9161 or sending an email to and be sure to give us your name, phone number and how many people in your group. If the site is available, one party of up to 8 members may reserve the site for one night. Note: Reservations are subject to cancellations by the Park District up to 2 weeks before the reservation date. There is no charge to use this site.  Check the calendar here.

Kayak Point

Call Snohomish County Parks at (360) 652-7992


Call Snohomish County Parks at (425) 745-5111

Posey Island

Call Lime Kiln State Park at (360) 378-2044

Walker Park

Call Mason County Parks at (360) 427-9670 x535