Maine-Coon cats are large and heavy, but very calm, balanced cats with a noble, long coat. Maine-Coon cats are large and heavy, but very calm, balanced cats with a noble, long coat. That's why they are often referred to as gentle giants. Maine Coon cats do not lay around all day, but love to roam the countryside. They are not afraid of water either - on the contrary, they even love it. Fun fact The Maine Coon cat has an elegant way of eating: by using its paws.