VisitAlgarve - Portal de Turismo do Algarve

Castles and Fortresses

Forte de São Sebastião (Fort of São Sebastião Fortress (St Sebastian)

Castro Marim

This fort was built in the mid-17th century with the aim of reinforcing the defences of this border town during the wars of the restoration.

Irregular in shape, the walls of this military structure have five defensive bastions.


  • Castro Marim

  • Castro Marim

  • 281 510 740 (Castro Marim Municipal Council)


  • Cultural Heritage

  • Castles and Fortresses

  • Closed to the public

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