Step back in time and experience the history and heritage of pedro st james on grand cayman known by locals as pedro castle the great house is the oldest surviving stone structure in the cayman islands it is also called the birthplace of democracy and is home to many cayman cultural and historic tales on this 2 hour tour youll explore the 18th century buildingand its artifacts while absorbing the beauty of pedro st james spread across seven landscaped acres with panoramic ocean view