View of sea and beach at Koinyra, Thassos, Aegean Sea, Greek Islands, Greece, Europe

koinyra thassos aegean sea greek islands greece beach sea coast shoreline vacation travel holiday nature landscape water sand waves sunny summer tourism relaxation marine scenery turquoise flora village houses blue sky outdoor scenic beauty resort adventure exploration culture serenity picturesque coastline warmth horizon distant mountains leisure holidaymakers beachgoers sunbathing swimming sailing activities peaceful quiet