Sullivan Island State Marine Park
Sullivan Island State Marine Park is a remote island park in Prince William Sound known for its protected shoreline, forested slopes, and excellent saltwater recreation. Visitors come for boating, kayaking, beach camping, wildlife viewing, and quiet exploration in a scenic marine setting.
Free
Visiting with Dogs
Dogs allowed; keep leashed and under control. Clean up after pets and follow posted park rules.
Visitor Tips & Reviews
What Visitors Say
Quiet, scenic island park with great wildlife viewing, beachcombing, kayaking, and camping. Visitors love the remote feel, peaceful solitude, and beautiful coastal views, though access can be challenging.
Tips from Visitors
- Bring your own water and supplies; services are limited.
- Check tides and weather before boating or beach access.
- Pack out all trash to protect the marine environment.
- Use a reliable boat; access is typically by water only.
- Watch for changing conditions and cold water hazards.
- Respect wildlife and keep a safe distance.
Best Time to Visit
The best time to visit Sullivan Island State Marine Park is late spring through early fall, when daylight is long and marine conditions are generally more favorable. Summer offers the best chance for calm water, camping, and wildlife viewing.
Amenities
Nearby Attractions
Explore these attractions near Sullivan Island State Marine Park:
- Cordova HarborThe main launch and service area for trips into Prince William Sound, with boat access, supplies, and charter services.18 miles away
- Alaganik SloughA scenic wetland and birding area near Cordova that attracts paddlers and wildlife watchers.20 miles away
- Hinchinbrook Island State Marine ParkA larger nearby marine park known for rugged shoreline, beaches, and excellent wildlife viewing opportunities.24 miles away
Things to Do at Sullivan Island State Marine Park
Camping at Sullivan Island State Marine Park
Camping is primitive only; no developed sites, hookups, cabins, or reservations. Bring your own gear and self-sufficient supplies.
Directions
Access is by boat or floatplane only from Cordova or nearby Prince William Sound communities. Launch from Cordova Harbor and travel southeast through Prince William Sound to Sullivan Island.
Contact & Info
Frequently Asked Questions
How do I get to Sullivan Island State Marine Park?
Access is by boat or floatplane only. Most visitors arrive from nearby communities or as part of a guided trip. Check tides, weather, and marine conditions before traveling, since there are no road connections or developed visitor facilities.
Are there campsites or cabins on Sullivan Island?
There are no developed campsites or cabins. Visitors generally use primitive, self-supported camping if they stay overnight. Bring all supplies, including water, shelter, and bear-safe food storage, and be prepared for a remote, undeveloped setting.
What activities do people usually do there?
Visitors often come for boating, kayaking, wildlife viewing, beachcombing, and quiet day use. Reviews commonly mention the park’s remote feel and scenic shoreline. Conditions can be rugged, so activities depend heavily on weather and sea state.
Are there restrooms, docks, or other facilities?
Facilities are very limited or absent. Expect a primitive experience with little to no infrastructure. Bring everything you need and plan to pack out all trash. Visitors often note that the park feels wild and undeveloped.
What wildlife might I see at Sullivan Island?
Common sightings may include seabirds, shorebirds, marine mammals, and other coastal wildlife. Visitors often report that wildlife viewing is a highlight. Keep a respectful distance and never feed animals.
Is Sullivan Island State Marine Park good for a day trip?
Yes, many visitors treat it as a quiet day-trip destination if weather and access are favorable. Because it is remote and undeveloped, most reviews recommend going prepared, checking marine forecasts, and having a flexible schedule.
Don’t Forget the Essentials
Essential camping & hiking gear we recommend to make your park trip easier and more comfortable.
View Gear Checklist →