Adult summer camps in Illinois

Illinois has 1 purpose-built adult camp in our directory, 1 of which is verified active for the 2026 season. The scene here is all about classic sleepaway. Every listing below was bookable at our last verification pass, but always confirm dates with the operator.

Active camps

• Camp BYOB

  Illinois · 21+ nostalgia summer camp weekend (festival-retreat hybrid, camp format)

  Ananse Events runs Camp BYOB as Chicagoland's 21+ summer camp weekend at a lakeside camp in Ingleside, blending nostalgia programming, nature, theme parties, and the 'power of play' into a sleepaway format.

  ActiveVaries / not published

Know a purpose-built adult camp in Illinois we missed?Suggest it.