The port of Merichas is located in the west of the island of Kythnos. It is a coastal fishing settlement that evolved into the island's port. Merichas has a marina for tourist boats, sailboats, and inflatable boats, offering them full refueling (water, fuel). In Merichas, there is the departure point for buses, the taxi stand, car and motorcycle rental offices, and ship agencies. In addition, boats that tour the island's beaches and small boats that can transport by sea to the beautiful beach of Kolona depart from Merichas. The island's ferry connection with the ports of Lavrio and Piraeus is carried out by the ferry companies ZANTE FERRIESANMEZ, HELLENIC SEA WAYS, KARTHAIA N.E. and KARYSTIA N.E.