small boat with tourists heading to iconic small uninhabited island of marathonisi featuring clear water sandy shore and natural

agios bay beach beautiful blue boat caretta carettacaretta clear coast cruise destination escapade europe famous featuring greece greek green hatchery heading holiday iconic idyllic ionian island keri landscape marathonisi mediterranean natural nature outdoor sandy scenic sea seascape seashore seaside season shore sightseeing sky small summer sun tour tourism tourist tourists travel trip turquoise turtle turtles uninhabited vacation view water zakinthos zakynthos zante