MS Isabelle is a cruiseferry owned and operated by the Estonia-based Tallink. She was built in 1989 by Brodosplit in Split, Croatia, for SF Line—one of the partners in the Viking Line consortium—as Isabella. The ship is currently serving the Riga–Stockholm route.Isabelle has two sister ships in the Viking Line fleet, Amorella and Gabriella, and a third one, Crown Seaways, operated by DFDS Seaways.