1. Posey Island State Park offers a unique swimming experience in Washington's Puget Sound.
2. The park is only accessible by boat, adding to its secluded charm.
3. Swimming here allows for breathtaking views of the surrounding mountains and oceanic scenery.
4. Water temperatures can be chilly, so it's recommended to wear appropriate gear when swimming.
5. Wildlife sightings are common while swimming including seals, otters and various bird species.
6. Tides should also be monitored as currents may affect your swim.
7. There aren't any lifeguards on duty at this state park; swimmers must exercise caution.
Enjoy fishing for salmon, trout and other species in the surrounding waters. A valid Washington State Fishing license is required.