Guajará Bay
| Guajará Bay | |
|---|---|
| Location | Belém, Pará Brazil | 
| Coordinates | 01°22′45″S 48°30′46″W / 1.37917°S 48.51278°W | 
Guajará Bay (Portuguese: Baía do Guajará) is formed by the confluence of the mouths of the Guamá and Acará rivers, which border the municipalities of Barcarena and Belém, the capital of Pará. Its waters flow into Marajó Bay and end in the Atlantic Ocean.