Castillo San Juan de las Aguilas

Aguilas, Spain, Spain

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Castillo San Juan de las Águilas crowns Punta Negra headland overlooking Águilas bay in Murcia, Spain, tracing origins to Carthaginian times with major 16th-century reconstruction under Philip II as Torre de las Águilas to repel Berber pirate raids, evolving into a full bastioned fortress by 1756 under Ferdinand VI featuring cannon batteries, ammunition stores, and underground passages.

This strategic coastal defense, incorporating the earlier San Juan tower honored with the saint's image, shielded fishermen and trade routes until Berber threats waned, later serving as a vantage for Count of Aranda's 1765 town-planning vision that shaped modern Águilas.

Restored in 2007 and opened as a museum in 2009, its weathered ruins offer sweeping port panoramas and connect via legend to inland fortresses like Tébar.