Alatonisi, is the third of the underwater trails that was created for the purposes of the CYCLADES LIFE program at Foinikas in Syros. in order to make it easier for those who wish to enjoy the beauties that hide in this specific trail, the CYCLADES LIFE WWF Greece field team placed marking buoys at the surface of the sea that indicate the specific trail that visitors should follow.
For more on underwater trails see here.