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AlentejoHistorical Sites & Landmarks

Castelo de Sines

The sea-facing castle of Sines, where tradition says Vasco da Gama was born — its keep now holds a small museum of natural history.

Panoramic view of the castle of Sines above the town

On the low hill above the harbour of Sines, the castle looks out over the Atlantic that carried the town’s most famous son eastwards: the fortress where tradition says Vasco da Gama was born around 1469, in the household of the castle’s commander.

Fortress of the coast

The castle was built in the fourteenth century, in the reign of King Pedro I, to defend a stretch of coast long raided from the sea, and its keep — the torre de menagem — still anchors the walls over the old quarter. In the following century the fortress passed to the Order of Christ, and the town below grew around the fishing harbour and, later, the navigator’s memory.

The navigator and the keep

Vasco da Gama’s father served as alcaide of Sines, and the tradition that the future explorer of the sea route to India was born inside the castle gave the building its place in national memory. The keep now holds the town’s natural history museum, and the ramparts look over the beach and the modern port — a short walk from the Porto Covo coast to the north.

What to see

  • The castle walls and the keep over the old town
  • The Vasco da Gama tradition markers
  • The natural history museum in the tower
  • The view over the harbour and the beach
  • The coast road towards Porto Covo

Practical information

The castle stands in the centre of Sines, on the Alentejo coast, about an hour south of Setúbal by the coastal road. The old quarter is compact and walkable; summer heat is strong on the hill — carry water. Museum openings vary — check official information.

Image credit: Castillo, Sines by Diego Delso — CC BY-SA 4.0, via Wikimedia Commons.

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