Chowder Bay is located on Sydney Harbour within Mosman on the North Shore of Sydney about 1km northeast of Toronga zoo. Easy access to the water from Clifton Gardens picnic grounds. There is some good snorkeling along the rocks with easy access along the harbour beach. Around the wharf pylon's is home to white seahorses and the larger big bellied seahorses.
Around the jetty that holds up the shark net, there are many types of fish, including large schools. Within the shark net itself, the careful eye can find exotic fish that are not seen at other popular snorkelling locations.