Harbor Thísvi is used by a tube-making factory for loading and unloading raw materials and for delivering finished products. The harbor has a quay extending NNW for 345 m. Depths near the quays are 11.5–6.5 m.
The quays offer machinery for loading merchandise. To the SW of the quay lies a wharf 91 m long with depths of 9.8 m near it. To the NE of the wharf there is a quay 36 m long, alongside which tugboats berth.