1. Sarah Island, located in Macquarie Harbour near Strahan, is a historic penal settlement that was established in 1822. It was known for its harsh conditions and brutal treatment of convicts, making it one of the harshest penal colonies in Australia. The island is now a popular tourist attraction, where visitors can explore the ruins of the former prison, learn about its dark history, and take in the stunning natural surroundings.

2. The working hours of Sarah Island can vary depending on the season, so it is recommended to check their official website or contact them directly for the most up-to-date information. Unfortunately, there is no specific phone number available for Sarah Island.

3. Tickets to visit Sarah Island can be purchased through various tour operators in Strahan that offer boat tours to the island. These tours typically include transportation to and from Sarah Island, as well as a guided tour of the ruins. Prices can vary depending on the tour operator and the specific package offered. It is recommended to book tickets in advance, especially during peak tourist season.