Astron (previously named Esmeralda and Bonnie) is a shipwreck located off the coast of Punta Cana in the Dominican Republic. She was a Russian-owned cargo ship built in France by Chantiers de l'Atlantique during 1957. She was 127 metres (417 feet) long, 27,990 gross tons, and was a motor ship. As of 2018 only a small portion remains above water.