Irvine is located in Orange County, a place known for its friendly residents, excellent education system, and low crime rate. When in southern California, you are certain to find plenty of fun things to do in Irvine!If you have never been to this often overlooked town, you might be wondering what to do in Irvine. Irvine, California, is all about family time, with plenty of bike trails and homes situated in quiet neighborhoods.