Semangka Bay (Indonesian: Teluk Semangka) is a large bay located on the southern tip of Sumatra Island. At the southern tip of Sumatra there are two large bays, Teluk Semangka is located in the western part.
| Semangka Bay | |
|---|---|
| Teluk Semangka (Indonesian) | |
  Semangka Bay | |
| Location | Southeast Asia |
| Coordinates | 5°36′00″S 104°42′00″E / 5.60000°S 104.70000°E |
| Type | Bay |
| Basin countries | Indonesia |
| References | Teluk Semangka: Indonesia National Geospatial-Intelligence Agency, Bethesda, MD, USA |
On the east side of the bay stretches Tanggamus Regency, with the capital city of Kotaagung located at the northern end of the bay.
