The fort was built to guard St. John 's harbour and is one of the many forts built by the British in the 18th century .
Fort James is a fort at the entrance to the harbour of St. John 's , Antigua and Barbuda .
The fort was built to guard St. John 's   's harbour and is one of the many forts built by the British in the 18th century .
Fort James is a fort at the entrance to the harbour of St. John 's , Antigua and Barbuda .