The beach Palouki - Agia Marina is located in the Bay of Cheloniti. The bathing beach is the coastal part of the larger open bay, length 24.5 km. Length of the beach is 2,420 m, average width of 20 m and a western orientation. The coastal zone and the seabed consists of sand. The coastal zone is partially modified, due to existence of problems in the northern end. In the limit of the coast there are trees and sea lilies. Marine biodiversity includes kelp and algae, which are attached to the rocky parts of the coast.