History

Semaphore’s story is one of transformation — from a maritime signal station to a thriving beachside community rich in culture and character. On this page, explore the suburb’s fascinating evolution through key landmarks and moments in time, including the stately Glanville Hall, the detailed chronology of local milestones, and the efforts of the Port Adelaide Historical Society in preserving its legacy. Whether you’re a history buff or a curious visitor, this is your gateway to discovering Semaphore’s unique past.