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.
How to find us?
What's happening nearby...
![](https://enjoyillinois.dottie.io/assets/Tourism-Operators/images/firework-v2__FocusFillWyIwLjAwIiwiMC4wMCIsNjAwLDQwMF0.jpg)
4th of July Celebration with Imagine That Band at the Devon Lakeshore Amphitheater
The Devon Lakeshore Amphitheater • Jul 04 @ 6PM
Prepare for an unforgettable 4th of July celebration at Lake Decatur's Devon Lakeshore Amphitheater! Join us for live performances by Imagine That Band.
Read more about 4th of July Celebration with Imagine That Band at the Devon Lakeshore Amphitheater![](https://enjoyillinois.dottie.io/assets/Tourism-Operators/images/jm-main__FocusFillWyIwLjAwIiwiMC4wMCIsNjAwLDQwMF0.jpg)
Jesse McCartney at the Devon Lakeshore Amphitheater
Devon Lakeshore Amphitheater • Jul 05 @ 7PM
Join Jesse McCartney with special guest Backseat Radio Live at Devon Lakeshore Amphitheater !
Read more about Jesse McCartney at the Devon Lakeshore Amphitheater![](https://enjoyillinois.dottie.io/assets/Tourism-Operators/images/dock-main__FocusFillWyIwLjAwIiwiMC4wMCIsNjAwLDQwMF0.jpg)
The Docksiders at the Devon Lakeshore Amphitheater
The Devon Lakeshore Amphitheater • Jul 06 @ 7PM
The Docksiders are America's Favorite Yacht Rock Band!
Read more about The Docksiders at the Devon Lakeshore Amphitheater