South Portsmouth–South Shore is a train station in South Shore, Kentucky, served by Amtrak, the United States' national passenger rail service. Located at Main Street and US 23 just in South Shore, it also serves Portsmouth, Ohio, just across the Ohio River. The station serves Amtrak's Cardinal, trains 50 and 51 and is an unstaffed shelter only. The tracks are owned by CSX Transportation and were once owned by the Chesapeake and Ohio Railway.