Qeshm Island Portuguese Castle is one of several Portuguese castles located in the Persian Gulf. This castle Built in the early 1500s, the castle served as logistical support for Hormuz and Lark castles. Qeshm Portuguese castle with an area of more than 4,000 square meters of limestone and gypsum, built with local mortar and has increased its strength several times over a century. This beautiful monument was registered in December of 1998 with the number 2202 in the list of national monuments of Iran.