🇺🇸 Shackle Island, United States

Shackle Island is a small community located in Sumner County, Tennessee, United States. It is primarily a residential area with a population of around 3,000 people. While it doesn't have any ports, shipyards, or factories related to the maritime industry, it is situated near the Cumberland River, which may be of interest to seafarers and shipowners looking to explore the waterways of Tennessee.