Team Logo. The Alexandria Mariners were a team in the Carolina League. They were the High-A affiliate of the Seattle Mariners. In 1980 they changed their name back to the Alexandria Dukes. Retrieved from "https://prosportsteams.fandom.com/wiki/Alexandria_Mariners?oldid=10011" Categories: Former CarL Teams Teams in Virginia Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.