The Mermaids: The Secret of the Medallion (2025) is a Adventure, Fantasy, Family film that follows three teenage friends struggle with the challenges of school while trying to keep a well-hidden secret: they are mermaids. When their secret is exposed on social media, they embark on a journey to a secret island, where they hope to give up their magical powers. Their adventure is full of surprises and the unexpected, and the girls discover what truly matters in life. The Mermaids: The Secret of the Medallion is not currently listed with streaming providers in your selected region, but availability can change over time. It has a user rating of 2.0 out of 10 from 1 votes. Fans of adventure movies may also want to explore similar titles below.