Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The Watchet Harbour Lighthouse is a marine navigational aid marking the entrance to a Marina within the historic town of Watchet, in Somerset, England.The cast iron lighthouse is approximately 22 feet (6.7 m) in height and has a red hexagonal tower with white lantern, and green lens.The lighthouse is a harbour navigation mark and does not emit a flashing light associated with traditional lighthouses. Instead it displays a fixed green luminaire marking the starboard (right hand side) approach to the marina.