Copacabana. Thinkstock. We forgive you for humming Barry Manilow's "Copacabana" when visiting Copacabana Beach, Rio's first in a string of Atlantic Ocean-facing beaches. Ipanema. Thinkstock. Barra da Tijuca Beach. Thinkstock. Prainha Beach. Thinkstock. Praia Vermelha. Thinkstock.