It's small in size—just 21 miles long and eight miles wide—but large with legend and romance. Set in the deep blue Pacific of the coast of Los Angeles, Catalina a glittering little island resort with rugged hills and intimate coves that have lured movie stars and musicians for generations. Some even call it America's Capri. Coastalliving.com
St Catherine’s Island, off Tenby, Pembrokeshire, Wales. There is an arch way running through the island. Local folklore says if a man passes through the arch he will be turned into a crab and if a woman passes though she will become a mermaid.