Fort for sale, need boat

A fort, located on the Thames River, is for sale.

It's an abandoned fort that was built in the 19th century. The location is accessible only by boat, except at low tide and is located in the Thames Estuary.

The property is on the market for about $828,000. Its walls are 15-feet thick in places and it includes a two-story barracks built to house 60 World War II soldiers.

Real estate agents are marketing the property for a nightclub, hotel or casino.