Marina of Aguas Santas, also known as Saint Marina, was a saint from Portugal, born in 119 AD and died in 139 AD. She is renowned for her piety and charitable deeds. It is said that she showed a deep devotion to religion from a young age and dedicated herself to charitable work throughout her life, helping the poor and the sick. Her life of simplicity, prayer, and devotion has been widely celebrated in Portugal, and she has become a spiritual symbol for many.