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Shedd Aquarium

Lake Decatur

200 Nelson Blvd., Decatur, IL 62521

Boating

Lake Decatur is a 2,800-acre reservoir located in the city of Decatur, Illinois, east of downtown.

The state's largest artificial body of water, Lake Decatur spans 2,800 acres, with 30 miles of shoreline offering recreational opportunities and wildlife vistas at lakeside parks and the city marina. Water sports include boating, fishing, sailing and jet skiing. While shoreline locations surrounding Nelson Park Marina offer miniature golf, dining, public gardens and picnic facilities.

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