The marina of Panagía Thásou is formed 0.2 miles southwest of the port of Thásos. It is protected by two moles. The east mole is 412 m long. It initially extends to the northwest for approximately 196 m, it then turns to the west for 168 m and it finally turns to the southwest for 48 m.
The west mole is 140 m long. It initially extends towards the north for 96 m and it then turns to the northeast for 44 m. A light exhibits from the head of each mole. The opening between the heads of the two moles is approximately 40 m and is facing the southwest. The depths at that point are between 3 to 4.5 m.