There are no bus services to Balaclava or Baie de l'Arsenal. A taxi from Port Louis will cost at least Rs 750, depending on your bargaining skills.
Trou aux Biches and Mont Choisy are served by buses running between Port Louis' Immigration Square bus station and Cap Malheureux via Grand Baie. There are bus stops about every 500m along the coastal highway. A taxi from Port Louis to Grand Baie costs around Rs 1200.