As a well-used travel hub in Illinois, the area near the 2019 D8 Summit Charity Convention has a number of lodging options. Of course, one can get a space in the room block at the Grand Bear Lodge and Resort, which offers standard rooms at $119 with the option to add a day pass for the indoor waterpark. They also have cabins available at a reasonable price, if travelling with family or friends.
The nearby town of Ottawa also offers a number of other hotels to satisfy your budget.
Please visit this page for the contact information of several quality lodging ideas.
If you are looking for accommodations that are even more exceptional, Starved Rock State Park offers cabins and rooms at the scenic park. Please visit their web site to establish reservations.