| Menai Bay | |
|---|---|
| Ghuba la Menai (Swahili) | |
 Satellite view of Menai Bay of Zanzibar | |
  Menai Bay Location in Tanzania | |
| Location |  Tanzania,Mjini Magharibi Region, Tanga City Council |
| Group | Zanzibar Channel |
| Coordinates | 6°22′12″S 39°20′43″E / 6.37000°S 39.34528°E |
| Type | Bay |
| Ocean/sea sources | Indian Ocean |
| Designation | Protected waterbody |
| Max. length | 15 km (9.3 mi) |
| Max. width | 10 km (6.2 mi) |
| Islands | Kwale Island, Zanzibar, Pamunda Island, Sume Island, Miwi Island, Niamembe Island & Pungume Island |
| Settlements | Fumba, Unguja Ukuu |
Menai Bay (Ghuba la Menai, in Swahili) is a bay in Mkinga District of Mjini Magharibi Region of Tanzania. The bay is geographically part of the Zanzibar Archipelago.