Brownsea Castle the castle also has four cannons, probably dating from the 17th or early 18th century. The castle is protected under UK law as a Grade II listed building. Brownsea Castle Brownsea Castle, also known historically as Branksea Castle, was originally a Device Fort constructed by Henry VIII between 1545 and 1547 to protect Poole Harbour in Dorset, England, from the threat of French attack. Located on Brownsea Island, it comprised a stone blockhouse with a hexagonal gun platform. It was garrisoned by the local town with six soldiers and armed with eight artillery pieces. The castle remained in use after
Coney Island, County Sligo mid-1800s, lining up with the Black Rock lighthouse, to aid in night time travel across the bay. A spate of drowning tragedies in the 1800s, including that of the then owner of the island, William Dorrin, in 1823, prompted the construction of the bollards. Coney Island, County Sligo Coney Island or Inishmulclohy (), in County Sligo, Ireland, is one of several islands of the same name off the coast of Ireland. It is an island of approximately 400 acres and is named after the vast quantity of rabbits which can be spotted on the island at any time (coney (,