Discover Peninsula Island State Park: A Hidden Gem of Natural Beauty

Nestled along the rugged coastline, Peninsula Island State Park stands as a testament to nature’s raw beauty, blending secluded island charm with protected state park grandeur—where every trail and shoreline tells a story of conservation and wonder.

Peninsula Island State Park spans a protected peninsula rich in diverse ecosystems, from sandy beaches to dense woodlands. Managed as a state park, it offers visitors a rare opportunity to experience coastal serenity with guided trails, wildlife observation, and minimal human impact, preserving its untouched character for future generations.

Visitors to Peninsula Island State Park can hike scenic loops through ancient forests, kayak along tidal inlets, or birdwatch along migratory routes. The park’s isolation enhances its tranquility, allowing for peaceful exploration of tide pools teeming with marine life and overlooks that frame dramatic sunsets over the open sea—making every visit both immersive and unforgettable.

Committed to ecological preservation, Peninsula Island State Park maintains strict visitor guidelines to protect fragile habitats. Interpretive signage and ranger-led programs educate guests on native species and sustainable practices, fostering a deep appreciation for coastal conservation while ensuring the park remains a vibrant sanctuary for both wildlife and people.

Whether you seek solitude on a secluded beach or adventure along coastal trails, Peninsula Island State Park delivers an authentic state park experience rooted in natural wonder. Visit today to connect with nature, breathe deep the salty air, and leave with memories that last a lifetime—because this hidden gem belongs on every outdoor enthusiast’s bucket list.

Considered Wisconsin's most complete park, Peninsula State Park offers over 460 campsites, three group camps, a summer theater, an 18-hole golf course, sand beach, bike trails, a lighthouse and eight miles of Door County shoreline. The rollicking waves that skip towards Peninsula's sky high bluffs are part of the Niagara Escarpment. Visit Peninsula State Park Discover all that Peninsula State Park has to offer.

Wisconsin's Park for all People is considered Wisconsin's most complete State park offering countless opportunities to experience nature at it's finest. Peninsula State Park spans over 3,700 acres and is bordered by 8 miles of bluff lined Green Bay shoreline. Discover the best of Peninsula State Park with our guide on activities, tips, and costs for a memorable Door County adventure.

Peninsula State Park is a 3,776-acre (1,528 ha) Wisconsin state park with eight miles (13 km) of Green Bay shoreline in Door County. Peninsula is the third largest state park in Wisconsin and is visited by an estimated one million visitors annually. Peninsula is Wisconsin's most popular camping destination.

Peninsula State Park's five campgrounds have a total of 468 family sites and there are also three group campsites for tent camping. Winter Camping Tennison Bay campground has campsites available for winter camping. Electric hookups are available.

A water source is located at the well house on the main road. Campers must make a. Peninsula State Park, established in 1909, is a 3,776-acre state treasure on Wisconsin's Door County peninsula.

Nearly seven miles of Lake Michigan's Green Bay shoreline wrap around a landscape of forests, meadows and wetlands. The Friends believe Peninsula contains a unique, spectacular wilderness and shoreline, worthy of any assistance they can provide. The Friends provide volunteer services and financial support for the interpretive, educational, recreational and visitor service programs at Peninsula State Park.

Peninsula State Park, considered Wisconsin's most complete park, offers a wide range of attractions including over 460 campsites, three group camps, a summer theater, an 18-hole golf course, a sand beach, bike trails, a lighthouse, and eight miles of Door County shoreline. Horseshoe Island, the only island that is part of Peninsula State Park, is picture-perfect from Nicolet Bay. It lies about 1 mile north of Nicolet Bay.

It is accessible only by boat. Engelmar Trail, a 1-mile rustic path, meanders the circumference of the 38. Many people consider Peninsula to be Wisconsin's most complete park.

When you see its many offerings, it is easy to see why. Click the links below to about some of the popular activities available at this park. Accessibility Accessibility at Peninsula State Park Biking Biking at Peninsula State Park Boating, canoeing and kayaking Boating, Canoeing and Kayaking at Peninsula State.