Marymoor Off-Leash Dog Park

Known for

• 40-acre off-leash area

  “Marymoor Park is best known for its 40-acre off-leash dog area.”

• swimming access

  “Black Labs dogpaddle against Golden Retrievers to see who can get the prize: an old tennis ball thrown by a dog owner into the Sammamish Slough.”

Services

About

Marymoor Park is best known for its 40-acre off-leash dog area, locally dubbed 'Doggy Disneyland'. The area features the Sammamish Slough where dogs can swim and play. Dogs must remain on leash when outside the designated off-leash area boundaries.

What people say

Widely celebrated as a top-tier destination in the Pacific Northwest for its vast 40-acre terrain, diverse habitats, and safe river access for swimming. While generally praised as a haven for dogs, some visitors express concerns about safety due to occasional off-leash dog conflicts.

Hours