A Greek-flagged oil tanker run aground in shallow waters at the beach of Kanavas, on the island of Milos, on Wednesday morning, while trying to dock at the pier.
FRES, with a crew of 16 Greek nationals onboard, was sailing from Lesvos to Milos carrying 1,000 tons of fuel oil.
So far, no oil leaks have been reported and the vessel does not appear to be taking in water.
An oil tanker that ran aground some 140 meters from the shore of Psara, a small island northwest of Chios in the eastern Aegean, has been freed without incident.
The Eko II and its crew of 17 were sailing from Lesvos to Psara carrying an undisclosed amount of fuel when the small tanket hit a sandbar off the islet's port.