The park and two adjacent wildlife areas are on a 8,190-acre peninsula on the Castle Rock Flowage of the Wisconsin River. Unique cart-in campsites offer a rustic flavor. Accessible cabin, wildlife/hunting blinds, boat boarding pier, and fishing pier. Adaptive equipment is available for participants with disabilities or mobility impairments including specialized kayaks and sit skis for cross country skiing.

Located on Madeline Island, Big Bay State Park is the largest of 22 Apostle Islands. With gorgeous views of Lake Superior, this park features 2,350 acres of rugged wooded cliffs and explorable terrain. It contains a State Natural Area that is open for use by the public. Various habitats include: barrier beach, bogs, boreal forest and old growth hemlock. 4 miles of Lake Superior shoreline and 1.5 miles of sandy beach. Mile long boardwalk, drinking fountain, viewing platform.