Wanderlust World Wanderlust World The Oak Island Lighthouse stands on Oak Island in Lunenburg County, on the southern shore of Nova Scotia, Canada. The island is near the town of Chester and the popular tourist destination of Mahone Bay. The lighthouse marks the eastern entrance to Mahone Bay and is a well‑known landmark in the UNESCO‑designated Lunenburg area. It is accessible by boat or from the mainland via a causeway at low tide (check locally).