This article is about the former garden in Valletta. There is a district of the same name in Rabat, Malta.Ġnien is-Sultan (Maltese for King's Garden), also known as the Giardino della Marina (Italian for Marina Garden), the Grand Master's Garden or Lascaris Garden, was a garden in Valletta, Malta. It was established in the 17th century by Giovanni Paolo Lascaris, and it included a summer residence for the Grand Master.