Marina spent her early years in Greece, and lived with her parents and paternal grandparents at Tatoi Palace. Along with her sisters, she was raised to be devout and religious, which was encouraged by her grandmother, Queen Olga of Greece. Marina's family travelled outside of Greece often, especially during the summer months. Her first recorded visit to Britain was in 1910 after the death of her godfather, Edward VII. She officially met her other godmother and future mother-in-law, Queen Mary, who treated Marina and her sisters like her own children.