Yes, you can find free camping around Lake Isabella, but these sites are typically dispersed and primitive with no facilities. The Bureau of Land Management (BLM) manages several areas where you can camp for free, such as the Chimney Creek Campground and the Long Valley Campground. Keep in mind that these sites are available on a first-come, first-served basis, and you should always practice Leave No Trace principles. For more camping options around Lake Isabella, you can explore Hipcamp's list of campgrounds.