Qualla: San Diego (ship)

San Diego (ship): Introduction

Thu, 26 Mar 2026 00:00:00 GMT

Photo credit Filipinayzd, CC BY-SA 4.0. She was built to carry cargo, not to fight. The San Antonio -- a trading vessel constructed in Cebu under the supervision of European boat-builders -- sat in the port of Cavite undergoing repairs when, at the end of October 1600, the Vice-Governor General of the Philippines ordered her transformed into a warship. Don Antonio de Morga had the ship rechristened San Diego, loaded with 14 cannons pulled from Manila's fortress, packed with 450 men, and sent to intercept a Dutch fleet that was threatening Philippine waters. Six weeks later, the San Diego lay on the seabed 50 kilometers southwest of Manila, sunk without having fired a single cannon in return. Nearly four centuries would pass before anyone found her again.

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Image: Filipinayzd | CC BY-SA 4.0

San Diego (ship): A Fatal Miscalculation

Thu, 26 Mar 2026 00:00:00 GMT

Photo credit Original image: Ramon FVelasquez, CC BY-SA 3.0. The Spanish fleet sailed from Cavite on December 12, 1600 -- two ships supported by smaller native boats, with Morga in personal command. On the morning of December 14, in strong wind and heavy seas near Fortune Island off Nasugbu, they engaged the Dutch warship Mauritius under A...

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Image: Original image: Ramon FVelasquez | CC BY-SA 3.0

San Diego (ship): Sinking Like a Stone

Thu, 26 Mar 2026 00:00:00 GMT

Photo credit Benjamin Wright (printmaker), Public domain. Whether the first cannonball from the Mauritius breached the hull, or the San Diego sprang a leak from the force of ramming the Dutch ship at full speed, the result was the same: the galleon began taking water she could not shed. Morga, by most accounts inexperienced in naval com...

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Image: Benjamin Wright (printmaker) | Public domain

San Diego (ship): Resurrection from the Seabed

Thu, 26 Mar 2026 00:00:00 GMT

Photo credit Filipinayzd, CC BY-SA 4.0. For 392 years, the San Diego rested undisturbed in roughly 50 meters of water near Fortune Island, outside Manila Bay. In 1992, French underwater archaeologist Franck Goddio and his team found her -- a sand-covered mound 25 meters long, 8 meters wide, and 3 meters high on the sea...

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Image: Filipinayzd | CC BY-SA 4.0

San Diego (ship): A Time Capsule of Global Trade

Thu, 26 Mar 2026 00:00:00 GMT

Photo credit Filipinayzd, CC BY-SA 4.0. The 34,407 artifacts recovered from the wreck read like a manifest of the early modern world's interconnected trade networks. More than 500 blue-and-white Chinese ceramics -- plates, dishes, bottles, kendis, and boxes from the Wan Li period of the Ming dynasty -- sat alongside ov...

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Image: Filipinayzd | CC BY-SA 4.0

San Diego (ship): Preserving the Evidence

Thu, 26 Mar 2026 00:00:00 GMT

Photo credit Eugene Alvin Villar (seav), CC0. Bringing artifacts from seabed to museum is a race against chemistry. Once removed from the stable conditions of the ocean floor, waterlogged objects begin to deteriorate immediately. The San Diego's conservation team faced soluble salts that promote physical damage, bacteria and...

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Image: Eugene Alvin Villar (seav) | CC0