São Luís, Maranhão
After completion of the cable laying at Heart's Content "Hibernia" was sent to Brazil to replace broken cables between Pará, Maranhão and Pernambuco. On 21 November 1877, "Hibernia" sank while anchored off Ponta d'Areia, near São Luís, Maranhão. All crew members were rescued and a few miles of cable were recovered.