By Car

About 70 km south of Stockholm by the E 20 highway; take the exit for Mariefred and "Gripsholms Slott". See this map for more details

By Train

Trains from the Central Station in Stockholm go hourly and take about 45 mins to reach Läggesta. Fairs are about 60kr one way. From there, bus connection/feeder bus to Mariefred/Gripsholm Castle ("Gripsholms Slott"). You can also take the Östra Södermanlands Järnväg narrow gauge steam railway from station to Mariefred proper.

By Boat

The s/s Mariefred. Built in 1903 this coal fired steam ship cruises from Stockholm to Mariefred in three and a half hours through beautiful lake Mälaren. A restaurant and cafeteria on board provides meals and snacks. Timetable and prices can be found here. Departure is from Stockholm, Stadshusbron by the City Hall at 10:00am. Tickets are sold on board and cost 200kr return.