Sunnyland is an unincorporated community and census-designated place (CDP) in Will County, Illinois, United States.It is in the northwest part of the county and is bordered to the west by Joliet and to the south and east by Crest Hill.It sits on the north side of U.S. Route 30, which leads southeast 5 miles (8 km) to downtown Joliet and northwest 1.5 miles (2.4 km) to Interstate 55.Sunnyland was first listed as a CDP prior to the 2020 census.Sunnyland first appeared as a census designated place in the 2020 U.S.