Alligator, Charleston, Marsh, Swamp, Wildlife Teenager, Alligator June 12, 2019 Ted Jennings - TPJ Photography Leave a comment In Alligator years this is a teenager. Which means anywhere between one to three years. After that they have reached the ‘young adult’ stage. Teenager, Alligator While the teenage years are short, once an adult they live as long as people. Share this:TwitterFacebookLike this:Like Loading...