The castle on Calumet Island was built by tobacco tycoon Charles Emery on this island that he bought in the 1880s. The remains of the castle and tower are still apparent although the former structure is no longer there but is replaced by cottages and marina
It is a private property but you can walk around the area and take pictures without any one bothering you.
They have installed a webcam on Calumet Island. So you can see the weather and water conditions at any time.
They also have local instruments taking weather measurements hourly at: