Estonia is easily accessed by boat from major port cities around the Baltic Sea. Services run from Tallinn to Helsinki, St Petersburg, Mariehamn and Stockholm.
Eckerö Line Twice-daily car ferry from Helsinki to Tallinn (2½ hours).
Linda Line Smaller and faster vessels operate from late March to late December.
Tallink Daily services between Tallinn and Helsinki plus an overnight ferry to Stockholm and Tallinn, via the Åland islands.
Viking Line At least four daily car ferries between Helsinki and Tallinn (2½ hours).