Dog-friendly beaches, parks and trails in San Juan County
San Juan County has 15 places in our guide; 14 of them welcome dogs today, 2 of them off-leash. Here are the ones to start with.
Open to dogs now first, then off-leash places and those with a photo.
- Dog parkEddie & Friends Dog ParkOff-leash
- ParkLafarge Open SpaceOff-leash
ParkMount Grant PreserveLeash required
Photo by Buidhe, CC BY-SA 4.0, Wikimedia Commons
BeachObstruction Pass BeachLeash required
Photo by David Burn from Portland, OR, USA, CC BY-SA 2.0, Wikimedia Commons
- Park3rd Lagoon PreserveLeash required
- ParkBeaverton Marsh PreserveLeash required
- ParkCady Mountain PreserveLeash required
- ParkIhiya Biological PreserveLeash required
- ParkJohn O. Linde Community ParkLeash required
- ParkKing Sisters PreserveLeash required
- ParkRoche Harbor Highlands WatershedLeash required
- TrailZylstra Lake Loop TrailLeash required
- ParkZylstra Lake PreserveLeash required
- TrailZylstra Lake TrailLeash required
- ParkFalse Bay Marine PreserveNo dogs
Towns in San Juan County
How we knowThe agencies that set dog rules here, and what each one says
- Washington State ParksLeash 8 ft in state parks. No dogs on designated swimming beaches.1 place here
- OpenStreetMapWhere no agency rule is on file, the dog tags people add to the map.14 places here
Rules that cover places here
Check posted signs. They are the rule on site. This guide restates published rules and OpenStreetMap data, which can be out of date or incomplete. It is not legal advice.
County boundary: US Census Bureau, cartographic boundary file, 2025 (public domain). A place belongs to the county that holds its point on the map.