The Battle of Antón Lizardo was a naval engagement of the Mexican civil war between liberals and conservative governments, (the Reform War), which took place off the Gulf Coast town of Antón Lizardo, Mexico in 1860. A Mexican Navy officer, Rear Admiral Tomás M. Marín, mutinied and escaped to Havana, Cuba. There he formed a squadron of armed vessels to attack merchant ships and blockade Veracruz. The liberal Mexican Government of Benito Juárez declared Marín a pirate and permitted foreign navies to attack his ships. Juárez's government was supported by the United States and its navy already had several vessels patrolling in the Gulf of Mexico.