The Port of Naantali (Finnish: Naantalin satama, Swedish: Nådendal hamn) is a port located in the south-west of Finland, city of Naantali, where the mainland meets the beginning of the Turku archipelago.

The port is the second largest in Finland in terms of passenger and cargo volume.

The Port of Naantali's main volumes deriving from the liquid and dry bulk materials and ferry goods.

At present, the port has both freight and passenger traffic and the connection from Naantali to Kapellskär in Sweden is operated by Finnlines.

[citation needed] The main entrance channel Naantalin väylä is 120 kilometres long and starts southern of Utö.