On the road to Halakas, just before the beach of Fatourena, you will meet the monastery of Agia Marina. This monastery operated from 1650 to about 1830 and is one of the 13 monasteries found by the French traveler Tournefort in operation and he mentions with admiration in his tours. (Tournefort visited Milos in 1700).
The monastery of Agia Marina is located in a beautiful location, on a hill and will offer you a stunning view of the bay of the island and the entrance of the port.