Myre Big Island State Park has a great group campsite. It is on a peninsula and has a big open area with some shade trees. The group site parking lot is where the rental canoes are stored and a fishing pier is nearby. The cost will be $25 per person for the weekend.
E-mail me if you have any questions.
From the park's website: This park has something for everyone. The trails take visitors around wet lowlands, oak savanna, and grasslands. Albert Lea Lake and park marshes draw hundreds of waterfowl during migration. Oak savanna and prairie landscape, including wetlands, dominate most of the park. One of the more unique aspects of the park is the 116-acre Big Island, covered with maple/basswood forest. Another is the glacial esker located in the northeast section of the park.