A natural getaway within the city limits of Jacksonville, Cedar Point Preserve is located on Black Hammock Island. Home to 6,000 years of civilization, the barrier island has a fascinating history. Here are four historical facts about Cedar Point Preserve and Black Hammock Island.
Read More: https://www.thejaxsonmag.com/article/the-fascinating-history-of-cedar-point-preserve/
Definitely a hidden local treasure. There are some ruins there aside from what you showed that look like they might have been slave quarters or maybe a store house related to the old sugar mill there. In any case, it was a pleasant surprise to find that big of history. I believe there's also an old cemetery back in there.