Underwater archaeologists from INAH discover 200-year-old wreck

Underwater archaeologists from the Instituto Nacional de Antropología e Historia have announced the discovery of a shipwreck off the coast of Quintana Roo state in Mexico.

The “Manuel Polanco” wreck, named after the fisherman who made the initial discovery whilst diving the Caribbean waters to find fish, lobsters or conch has been added to a national register of 70 shipwrecks in the Banco Chinchorro Biosphere Reserve.

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The archaeological team theorizes that the crew of the wreck had attempted to anchor itself into a reef to save the ship from running aground, but subsequently sank after striking the Chinchorro Bank, which was colloquially known as the “Nightmare reef” or “Sleep-robbing reef”.

The reef lies in Mexican waters 35 kilometres (22 mi) offshore in the Caribbean Sea, or about 80 kilometres (50 mi) east of the city of Chetumal. It is approximately 40.2 kilometres (25.0 mi) long from north to south, and approximately 16 kilometres (9.9 mi) wide at its widest point.

The reef contains some notable wrecks including the SS Caldera, SS Escasell, SS Far Star, SS Ginger Screw, SS Glen View, SS Penelopez, SS San Andreas, and SS Tropic.

The new wreck discovery lies just 3 metres beneath the waterline which has left the wreck exposed to the elements resulting in a loss of the wooden hull and organic material. Only solid elements have survived, that includes pig iron ingots used as ballast, cannons, and an anchor that correspond to an English sailing ship from the late 18th or early 19th centuries.

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Among the sailboats, steamers and merchant ships of different nationalities in Chinchorro Bank, that INAH has recorded and protects and investigate, each new discovery allows researchers to learn more about the last 500 years of navigation in American waters.

Header Image Credit : INAH

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Mark Milligan
Mark Milligan
Mark Milligan is multi-award-winning journalist and the Managing Editor at HeritageDaily. His background is in archaeology and computer science, having written over 8,000 articles across several online publications. Mark is a member of the Association of British Science Writers (ABSW), the World Federation of Science Journalists, and in 2023 was the recipient of the British Citizen Award for Education, the BCA Medal of Honour, and the UK Prime Minister's Points of Light Award.

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