“Aquamarine” (2006) is a charming fantasy romantic comedy directed by Elizabeth Allen Rosenbaum. The film follows two teenage friends, Claire and Hailey, played by Emma Roberts and Joanna “JoJo” Levesque respectively, who discover a mermaid named Aquamarine, portrayed by Sara Paxton, in their beach club’s swimming pool. Stream on Disney +, iTunes, Google Play, Amazon, Prime Video, and Vudu.