Castletownbere port is located on the south side of the Beara Peninsula in West Cork on South West coast of Ireland. The port has an inner harbour in which the town of Castletownbere is built around. The outer harbour is called Berehaven which was an old British navy port up to 1938. Berehaven harbour is the second most safest natural harbour in the world, with seven miles of safe anchorage . On the eastern section of Berehaven harbour there is 30 metres of water were large ships can anchor. The port has a marina on Bere Island side of the harbour, and sailing vessels can also anchor by Castletownbere town or by the famous Dunboy Castle to the west side of the harbour.