The paddle wheel steamboat, known as "La Unión," was discovered by archaeologists in the Gulf of Mexico two nautical miles from Sisal in 2017. But it took three years of research to confirm that it was a Mayan slave ship.https://www.msn.com/en-us/news/world...?ocid=msedgntpLa Unión illegally captured and transported about 25 to 30 Mayans monthly to Cuba, where they were forced to work in sugarcane fields between 1855 and 1861. This was during the rebellion known as the Caste War, according to INAH.