The Museum was established in 1935 initiated by former captains and sailors.
The main exhibition of the Museum is located at Fat Margaret tower since 1981. The second exhibition was opened in May 2012 at the Seaplane Harbor.
Estonian Maritime Museum is located in the Fat Margaret tower in the old town of Tallinn.
Fat Margaret was built in the early 16th century (from 1511 to 1530) during the reconstruction of the medieval city gate system.
The museum presents the history of ships and navigation in Estonia and related to Estonia. Other parts of the Maritime Museum are the mine museum and the Seaplane Harbour where museum ships are presented