Action of 13 June 1898 decided to withdraw. At the outbreak of the Spanish–American War Cienfuegos was a strategically important port due to its facilities and good communications with Havana. Some prewar plans recommended its prompt capture, but instead it was blockaded, along with some other important ports of the southern coast of Cuba such as Santiago de Cuba and Manzanillo. The most powerful Spanish naval units of the island, meanwhile, had been gathered in Santiago, and submarine defenses consisting mainly of torpedoes had been installed in the major ports of Havana, Cienfuegos, Santiago and San Juan de Puerto Rico. The naval units based in
History of Cuba sailed within sight of Havana harbour but did not disembark on the island. Havana's inability to resist invaders was dramatically exposed in 1628, when a Dutch fleet led by Piet Heyn plundered the Spanish ships in the city's harbor. In 1662, English admiral and pirate Christopher Myngs captured and briefly occupied Santiago de Cuba on the eastern part of the island, in an effort to open up Cuba's protected trade with neighbouring Jamaica. Nearly a century later, the English were to invade in earnest, taking Guantánamo Bay in 1741 during the War of Jenkins' Ear with Spain. Edward Vernon, the