Since 1974, the Fine Arts Department has been conducting studies, research and research in underwater archeology. In carrying out the survey and excavation of each underwater archaeological site causing the number of antiquities to increase Preparing for the establishment of the museum to disseminate knowledge about the work of underwater archeology and the history of Thai maritime commerce Therefore, it is an important task that must be performed later. together with the arrest of foreigners who came to smuggle marine artifacts in the Gulf of Thailand It is an important motivator. which makes Thai people realize the value and importance of cultural heritage found from the sea This will be evidence that helps in tracing the history. And tells the story of the maritime economy in the past National Maritime Museum Received royal grace from Her Royal Highness Princess Maha Chakri Sirindhorn Princess Galyani Vadhana Krom Luang Naradhiwas Rajanagarindra presided over at the official opening ceremony On Tuesday, January 9, 2001