Wagonga Inlet is an estuary located on the south coast of New South Wales with the township of Narooma situated around it. The estuary is classed as a lake with an open, trained entrance.
Tributaries that flow into Wagonga Inlet are the Billa Bilba, Burrimbidgee and Punkally creeks. The inlet contains important habitat for fish, birds and plants. It also supports wetlands, mangrove forests, a sand spit and seagrass beds.
Wagonga Inlet is popular for recreational activities such as fishing and enables access to Montague Island.