The Navy Sydney Open Day is a family-friendly event hosted by the Royal Australian Navy on March 7, 2025, from 9 PM to 2 AM. Visitors can explore HMAS Kuttabul Fleet Base East in Woolloomooloo, meet current-serving Sailors and Officers, and gain insights into Navy life. This free event requires bookings, making it an excellent opportunity for families to engage with the Navy and learn about its operations.