Tags: Military Structure.
Portland Castle is one of the Device Forts also known as Henrician Castles built in 1539 by Henry VIII on the Isle of Portland to guard the natural Portland anchorage known as the Portland Roads. The castle lies in the far north of the island in the village now called Castletown near Fortuneswell. The castle is under the care of English Heritage.The castle artillery forts stretched all around the Kent coast along the south coast of England down to Lands End.