Sewell's Point
Naval Station Norfolk currently occupies Sewells Point. The base is approximately and is the largest naval base in the world.
RAAF Base Rathmines
Rathmines RAAF Base is significant as a flying boat base used for the defence of Australia in World War II. During WWII, it was a major boat base in NSW, and was the largest boat base in Australia. It is understood to be the only flying boat base in NSW with a significant amount of physical fabric remaining.