Jarrell Cove State Park on Harstine Island offers 13 campsites (including Cascadia Marine Trail access) with amenities like showers, fire pits, and picnic facilities, plus 12 moorage buoys and 650 feet of dock space for boaters.

The park provides excellent saltwater recreation including swimming, kayaking, paddleboarding, and fishing, with forested trails offering Puget Sound views and wildlife watching opportunities. Phone-in buoy registration is available with a $4.

50 convenience fee, and most campsites can be reserved year-round online or by calling (888) 226-7688.