There are 2 small beaches in Polruan, and a large beach called Lantic bay further along the coast, about a 2 mile walk, and another (Readymoney beach) over in Fowey, where you will also find many more lovely gifty shops, restaurants, and pretty walks, a ferry to Mevagissey also runs daily form Fowey, (weather permitting) It's a gorgeous part of Cornwall, and not too "touristy" so it never gets too crowded. Many people come back again, and again, once they have discovered it.