The Cascadia Marine Trail Campsite is located in Washington and offers stunning views of the Salish Sea. The campsite provides access to various activities such as hiking, paddling, and fishing. The campground features amenities such as fire pits, picnic tables, and pit toilets. The campsites are first-come-first-serve, and there are a limited number of sites available. The best time to visit is during the summer months, with average temperatures ranging from 60-70°F.