Casimiro de Abreu is in the Lakes Region of the state of Rio de Janeiro. Understand Get in Get around See Barra de São João Beach (Praia de Barra de São João). Colonial houses, Av. Beira Rio. São João Batista Chapel (Capela de São João Batista), Prainha. Trinta Reis Island. Small island about 800 m from the coast. Do Buy Eat Drink Sleep Connect Go next