| Type: | suburb |
| Blue Bay | |
| City: | Central Coast |
| State: | nsw |
| Local Map: | yes |
| Zoom: | 14 |
| Postcode: | 2261 |
| Pop: | 1,027 |
| Elevation: | 19 |
| Area: | 0.6 |
| Parish: | Tuggerah |
| Coordinates: | -33.3531°N 151.5011°W |
| Stategov: | The Entrance |
| Fedgov: | Dobell |
| Dist1: | 2 |
| Dir1: | S |
| Location1: | The Entrance |
| Dist2: | 22 |
| Dir2: | ENE |
| Location2: | Gosford |
| Dist3: | 97 |
| Dir3: | NNE |
| Location3: | Sydney |
| Dist4: | 65 |
| Dir4: | SSW |
| Location4: | Newcastle |
| Near-Nw: | The Entrance |
| Near-N: | The Entrance |
| Near-Ne: | The Entrance |
| Near-W: | Long Jetty |
| Near-E: | Pacific Ocean |
| Near-Sw: | Long Jetty |
| Near-S: | Toowoon Bay |
| Near-Se: | Pacific Ocean |
Blue Bay is a location of The Entrance district within the Central Coast region of New South Wales, Australia, located on a peninsula between Tuggerah Lake and the Pacific Ocean south of The Entrance. It is part of the local government area.
Blue Bay is served by The Entrance for retail, commercial, education, and recreation services.There is one fish and chipShop, Blue Bay beach has toilet and outdoor showers.