underwater sea level photo. small fishes in marine life of the aponissos beach, agistri island, saronic gulf, attica, greece

active aegean agistri animal aponisos aponissos background bay beach beautiful blue clear coast crystal diving environment europe fish fishes geographical greece greek gulf holidays island kalogria landmark level life locations marina marine natural nature ocean rocks saronic scuba sea seaside season shore small snorkeling summer surface swim tourism travel turquoise underwater vacation view water wildlife