St. Peter Line
St. Peter Line is water transport company owned by Moby SPL Limited, a Maltese-registered shipping company, which operates services from Helsinki, St. Petersburg, Stockholm and Tallinn. The company was founded in 2010 with it starting operations in April of that year. In December 2010, St. Peter Line acquired the cruiseferry named Pride of Bilbao from Irish Continental Group for €37.7m for a new route between St Petersburg and Stockholm.
Routes
St. Peter Line operates two routes across the Gulf of Finland.| Route | Frequency | Crossing time |
| Helsinki - St. Petersburg - Helsinki | 2 crossings per week | 14 hours |
| Stockholm - - St Petersburg - - Stockholm | 1 crossing per week | 38 hours |